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31134924 = 22324320113
BaseRepresentation
bin111011011000…
…1010011001100
32011120211002100
41312301103030
530432304144
63031155100
7525433242
oct166612314
964524070
1031134924
1116636147
12a515a90
1365b1742
1441c6792
152b00269
hex1db14cc

31134924 has 36 divisors (see below), whose sum is σ = 80536456. Its totient is φ = 10136448.

The previous prime is 31134923. The next prime is 31134931. The reversal of 31134924 is 42943113.

31134924 is a `hidden beast` number, since 311 + 349 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (31134923) 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 11 ways as a sum of consecutive naturals, for example, 8509 + ... + 11604.

Almost surely, 231134924 is an apocalyptic number.

It is an amenable number.

31134924 is an abundant number, since it is smaller than the sum of its proper divisors (49401532).

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

31134924 is a wasteful number, since it uses less digits than its factorization.

31134924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166 (or 20161 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 31134924 is about 5579.8677403680. The cubic root of 31134924 is about 314.5931557868.

The spelling of 31134924 in words is "thirty-one million, one hundred thirty-four thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 20113 40226 60339 80452 120678 181017 241356 362034 724068 864859 1729718 2594577 3459436 5189154 7783731 10378308 15567462 31134924