Numbers 43,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

40,000,000 41,000,00042,000,00043,000,00044,000,000

45,000,00046,000,00047,000,00048,000,00049,000,000

All Numbers  & [1M] & [10M- [20M] - [30M] - [40M] - [50M] - [60M] - [70M] - [80M] - [90M]  &  [100M]

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43,046,721

[Math.]  43,046,721 = (4+3+0+46+7+21)4 = 814.

 

43,096,904

[Math.]  A pair of amicable numbers (43096904, 46715896).

 

43,100,525

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

43,100,525 = 12752+…+13002 = 13012+…+13252.

 

43,112,609

[Math.] A prime number. A Mersenne exponent: 243112609–1 is the 46th Mersenne prime number.

 

43,266,285

[Math.]  A pair of amicable numbers (35115795, 43266285).

 

43,310,177

[Math.]  43,310,177 = 42+64+86+98.

 

43,362,050

[Math.]  A pair of amicable numbers (38663950, 43362050).

 

43,564,356 & 43,999,956

[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.

 

(***)   87999912 = 21999978×4 & 21999978×87999912 = 439999562

87999912…87999912 = 21999978…21999978×4 &

21999978…21999978×87999912…87999912 = 43999956…439999562.

 

(****)   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.

 

43,599,609

[Math.]  Square and cube of number 6603 use different digits: 66032 = 43,599,609 and 66033 = 287,888,218,227.

 

43,954,713 & 43,954,714

[Math.]  Sum of the first 11 factorials: 

1!+2!+3!+4!+5!+6!+7!+8!+9!+10!+11! = 43,954,713.

Sum of the first 12 factorials, including 0!:

0!+1!+2!+3!+4!+5!+6!+7!+8!+9!+10!+11! = 43,954,714.

 

xy,abc,def

[Math.]  For any xy = 10 to 99, there are always six 6-digit numbers abc,edf such that the sum (xy+abc,def) is equal to one of 6 digit-rotations of 142,857 and the number xy,abc,def is a multiple of 142,857.

 

For any xy = 10 to 99, there are always twelve 6-digit numbers abc,edf such that the sum (xy+abc,def) is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xy,abc,def is a multiple of 76,923.