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1372740672 = 2637149691
BaseRepresentation
bin101000111010010…
…0101110001000000
310112200001110012010
41101310211301000
510302410200142
6344114332520
746006050252
oct12164456100
93480043163
101372740672
11644970426
1232388a140
1318b5260b4
14d0457cd2
15807ace9c
hex51d25c40

1372740672 has 28 divisors (see below), whose sum is σ = 3632043536. Its totient is φ = 457580160.

The previous prime is 1372740661. The next prime is 1372740679. The reversal of 1372740672 is 2760472731.

It is a super-3 number, since 3×13727406723 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1372740672.

It is not an unprimeable number, because it can be changed into a prime (1372740679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574654 + ... + 3575037.

Almost surely, 21372740672 is an apocalyptic number.

1372740672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1372740672 is an abundant number, since it is smaller than the sum of its proper divisors (2259302864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372740672 is an equidigital number, since it uses as much as digits as its factorization.

1372740672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149706 (or 7149696 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 1372740672 is about 37050.5151381192. The cubic root of 1372740672 is about 1111.3806567861.

The spelling of 1372740672 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 7149691 14299382 21449073 28598764 42898146 57197528 85796292 114395056 171592584 228790112 343185168 457580224 686370336 1372740672