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131930924 = 2246371237
BaseRepresentation
bin1111101110100…
…01101100101100
3100012020210012112
413313101230230
5232233242144
621031423152
73161252156
oct767215454
9305223175
10131930924
1168520724
1238224ab8
1321443648
1413743ad6
15b8b099e
hex7dd1b2c

131930924 has 12 divisors (see below), whose sum is σ = 231381024. Its totient is φ = 65822064.

The previous prime is 131930899. The next prime is 131930941. The reversal of 131930924 is 429039131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33767 + ... + 37470.

It is an arithmetic number, because the mean of its divisors is an integer number (19281752).

Almost surely, 2131930924 is an apocalyptic number.

It is an amenable number.

131930924 is a deficient number, since it is larger than the sum of its proper divisors (99450100).

131930924 is a wasteful number, since it uses less digits than its factorization.

131930924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71704 (or 71702 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 131930924 is about 11486.1187526510. The cubic root of 131930924 is about 509.0755057221.

The spelling of 131930924 in words is "one hundred thirty-one million, nine hundred thirty thousand, nine hundred twenty-four".

Divisors: 1 2 4 463 926 1852 71237 142474 284948 32982731 65965462 131930924