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131260152 = 23333716229
BaseRepresentation
bin1111101001011…
…01111011111000
3100010222201002010
413310231323320
5232100311102
621005205520
73152456442
oct764557370
9303881063
10131260152
1168102771
1237b608a0
132126a23a
141360b492
15b7cbd6c
hex7d2def8

131260152 has 32 divisors (see below), whose sum is σ = 329144400. Its totient is φ = 43620864.

The previous prime is 131260141. The next prime is 131260187. The reversal of 131260152 is 251062131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 16202.

Almost surely, 2131260152 is an apocalyptic number.

131260152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131260152 is an abundant number, since it is smaller than the sum of its proper divisors (197884248).

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

131260152 is a wasteful number, since it uses less digits than its factorization.

131260152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16575 (or 16571 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 131260152 is about 11456.8822984266. The cubic root of 131260152 is about 508.2112808706.

The spelling of 131260152 in words is "one hundred thirty-one million, two hundred sixty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 337 674 1011 1348 2022 2696 4044 8088 16229 32458 48687 64916 97374 129832 194748 389496 5469173 10938346 16407519 21876692 32815038 43753384 65630076 131260152