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137656896 = 26313131421
BaseRepresentation
bin10000011010001…
…11101001000000
3100121000200202120
420031013221000
5240220010041
621354244240
73261031026
oct1015075100
9317020676
10137656896
1170781733
123a126680
13226999b0
14143d4716
15c142366
hex8347a40

137656896 has 112 divisors (see below), whose sum is σ = 396166848. Its totient is φ = 41932800.

The previous prime is 137656877. The next prime is 137656921. The reversal of 137656896 is 698656731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326766 + ... + 327186.

It is an arithmetic number, because the mean of its divisors is an integer number (3537204).

Almost surely, 2137656896 is an apocalyptic number.

137656896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137656896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198083424).

137656896 is an abundant number, since it is smaller than the sum of its proper divisors (258509952).

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

137656896 is a wasteful number, since it uses less digits than its factorization.

137656896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 570 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 137656896 is about 11732.7275601200. The cubic root of 137656896 is about 516.3362990102.

The spelling of 137656896 in words is "one hundred thirty-seven million, six hundred fifty-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 131 156 192 208 262 312 393 416 421 524 624 786 832 842 1048 1248 1263 1572 1684 1703 2096 2496 2526 3144 3368 3406 4192 5052 5109 5473 6288 6736 6812 8384 10104 10218 10946 12576 13472 13624 16419 20208 20436 21892 25152 26944 27248 32838 40416 40872 43784 54496 55151 65676 80832 81744 87568 108992 110302 131352 163488 165453 175136 220604 262704 326976 330906 350272 441208 525408 661812 716963 882416 1050816 1323624 1433926 1764832 2150889 2647248 2867852 3529664 4301778 5294496 5735704 8603556 10588992 11471408 17207112 22942816 34414224 45885632 68828448 137656896