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137156008 = 231179109181
BaseRepresentation
bin10000010110011…
…01010110101000
3100120002020200011
420023031112220
5240102443013
621335421304
73253543513
oct1013152650
9316066604
10137156008
117046a380
1239b24834
1322552a02
1414303d7a
15c093c3d
hex82cd5a8

137156008 has 64 divisors (see below), whose sum is σ = 288288000. Its totient is φ = 60652800.

The previous prime is 137155981. The next prime is 137156009. The reversal of 137156008 is 800651731.

It is not an unprimeable number, because it can be changed into a prime (137156009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757678 + ... + 757858.

It is an arithmetic number, because the mean of its divisors is an integer number (4504500).

Almost surely, 2137156008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137156008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144144000).

137156008 is an abundant number, since it is smaller than the sum of its proper divisors (151131992).

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

137156008 is a wasteful number, since it uses less digits than its factorization.

137156008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 137156008 is about 11711.3623460296. The cubic root of 137156008 is about 515.7092787761.

The spelling of 137156008 in words is "one hundred thirty-seven million, one hundred fifty-six thousand, eight".

Divisors: 1 2 4 8 11 22 44 79 88 109 158 181 218 316 362 436 632 724 869 872 1199 1448 1738 1991 2398 3476 3982 4796 6952 7964 8611 9592 14299 15928 17222 19729 28598 34444 39458 57196 68888 78916 94721 114392 157289 157832 189442 217019 314578 378884 434038 629156 757768 868076 1258312 1558591 1736152 3117182 6234364 12468728 17144501 34289002 68578004 137156008