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137075172 = 223135359281
BaseRepresentation
bin10000010101110…
…01100111100100
3100112221010210020
420022321213210
5240042401142
621333555140
73253056033
oct1012714744
9315833706
10137075172
1170414673
1239aa5ab0
1322524c90
14142c271a
15c079cec
hex82b99e4

137075172 has 96 divisors (see below), whose sum is σ = 358162560. Its totient is φ = 40535040.

The previous prime is 137075167. The next prime is 137075179. The reversal of 137075172 is 271570731.

It is not an unprimeable number, because it can be changed into a prime (137075179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487672 + ... + 487952.

It is an arithmetic number, because the mean of its divisors is an integer number (3730860).

Almost surely, 2137075172 is an apocalyptic number.

137075172 is a gapful number since it is divisible by the number (12) 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 137075172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179081280).

137075172 is an abundant number, since it is smaller than the sum of its proper divisors (221087388).

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

137075172 is a wasteful number, since it uses less digits than its factorization.

137075172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 137075172 is about 11707.9106590373. The cubic root of 137075172 is about 515.6079438839.

The spelling of 137075172 in words is "one hundred thirty-seven million, seventy-five thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 53 59 78 106 118 156 159 177 212 236 281 318 354 562 636 689 708 767 843 1124 1378 1534 1686 2067 2301 2756 3068 3127 3372 3653 4134 4602 6254 7306 8268 9204 9381 10959 12508 14612 14893 16579 18762 21918 29786 33158 37524 40651 43836 44679 49737 59572 66316 81302 89358 99474 121953 162604 178716 193609 198948 215527 243906 387218 431054 487812 580827 646581 774436 862108 878687 1161654 1293162 1757374 2323308 2586324 2636061 3514748 5272122 10544244 11422931 22845862 34268793 45691724 68537586 137075172