Numbers 430,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

400,000,000 410,000,000420,000,000430,000,000  – 440,000,000

  All Numbers  450,000,000460,000,000470,000,000480,000,000 –  490,000,000

[1M] & [10M] & [100M- [200M] - [300M] - [400M] - [500M] - [600M] - [700M] - [800M] - [900M]  & [1B]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

430,728,516

[Math.] 207542 = 430,728,516, one of 22 squares using all 9 digits 0-8 once.

 

432,098,765

[Math.] Multiples of 012345679 by 8, 17, 26, 35, 44, 53, 62, 71 and 80 will yield all 9 rotations of the number 098765432: 098765432, 209876543, 320987654, 432098765, 543209876, 654320987, 765432098, 876543209 and 987654320. All numbers are missing digit 1.

 

433,494,437

[Math.]  The 43rd Fibonacci number:

 

435,737,340

[Math.]  Two consecutive sums of consecutive square numbers:

435,737,340 = 32402+…+32802 = 32812+…+33202.

 

435,848,050

[Math.]  Sum 1+91+92+93+…+98+99 = 435,848,050 is a triangular number = 1+2+…+29523+29524.

 

437,228,100

[Math.]  Sum of the first 204 cube numbers:

13+23+…+2043 = 437,228,100 = (1+2+…+204)2 = 20,9102.

 

438,271,605

[Math.] Number 087,654,321 misses one digit 9 in 10 digits 0-9 and so do its multiplies

087,654,321×2 = 175,308,642,

087,654,321×4 = 350,617,284,

087,654,321×5 = 438,271,605,

087,654,321×7 = 613,580,247 and

087,654,321×8 = 701,234,568.

 

439,999,956

[Math.]

(*)   8712 = 2178×4 & 8712×2178 = 18,974,736 = 43562 (= 664)

8712…8712 = 2178…2178×4 & 8712…8712×2178…2178 = 4356…43562.

 

(**)   87912 = 21978×4 & 21978×87912 = 1,932,129,936 = 439562

87912…87912 = 21978…21978×4 & 21978…21978×87912…87912 = 43956…439562.

 

(***)   879999912 = 219999978×4 & 219999978×879999912 = 4399999562

879999912…879999912 = 219999978…219999978×4 &

219999978…219999978×879999912…879999912 = 439999956…4399999562.

 

(****)   879…912 = 219…978×4 & 219…978×879…912 = 439…9562

879…912…879…912 = 219…978…219…978×4 &

             219...978...219...978×879...912...879...912 = 439...956...439...9562.

...


xyz,abc,def

[Math.]  For any xyz = 100 to 999, there are always six 6-digit numbers abc,edf such that the sum (xyz+abc,def) is equal to one of 6 digit-rotations of 142,857 and the number  xyz,abc,def is a multiple of 142,857.

 

For any xyz = 100 to 999, there are always twelve 6-digit numbers abc,edf such that the sum (xyz+abc,def) is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xyz,abc,def is a multiple of 76,923.