Numbers 49,000,000s

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]

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

49,125,375

[Math.]  A pair of amicable numbers (46271745, 49125375).

 

49,196,196

[Math.]  70142 = 49,196,196.

 

[Math.]  A pair of amicable numbers (49215166, 55349570).

 

49,294,441

[Math.]  Sum of the first 118 cube numbers:

13+23+…+1173+1183 = 49,294,441 = (1+2+…+117+118)2 = 70212.

 

49,382,716

[Math.]  Multiples of 012345679 by 4, 13, 22, 31, 40, 49, 58, 67 and 76 will yield all 9 rotations of 049382716: 049382716, 160493827, 271604938, 382716049, 493827160, 604938271, 716049382, 827160493 and 938271604. All numbers are missing digit 5.

 

49,591,523

[Math.]  2,459,319,153,459,529 = 49,591,5232; All  digits are duplicated. (References [15])

 

49,994,999

[Math.]  (Sequence of numbers 49…949…9).

499949992 = 2499499925010001 and 2499+49992501–0001 = 49994999.

 

49,995,000

[Math.]  (Sequence of numbers 49…950…0 and 50…050…0).

2,499,500,025,000,000 = (24,995,000+25,000,000)2 = 49,995,0002

and 2,500,500,025,000,000 = (25,005,000+25,000,000)2 = 50,005,0002 and 49,995,000+50,005,000 = 100,000,000.

 

49,999,997 & 49,999,999

[Math.]

94 = 47×2 and, reversely, 49 = 47+2

994 = 497×2 and, reversely, 499 = 497+2

9994 = 4997×2 and, reversely, 4999 = 4997+2

...

9999994 =  4999997×2 and, reversely, 4999999 = 4999997+2

99999994 =  49999997×2 and, reversely, 49999999 = 49999997+2

...

 

49,999,999

[Math.]  Its odd powers end with 49,999,999. Its even powers end with 00,000,001

 

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.