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31868096 = 261338303
BaseRepresentation
bin111100110010…
…0010011000000
32012222001210212
41321210103000
531124234341
63055013252
7534605621
oct171442300
965861725
1031868096
1116a96a77
12a80a228
1367aa380
144337a48
152be75eb
hex1e644c0

31868096 has 28 divisors (see below), whose sum is σ = 68104512. Its totient is φ = 14707968.

The previous prime is 31868051. The next prime is 31868101. The reversal of 31868096 is 69086813.

It is a happy number.

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, 18320 + ... + 19983.

It is an arithmetic number, because the mean of its divisors is an integer number (2432304).

Almost surely, 231868096 is an apocalyptic number.

It is an amenable number.

31868096 is an abundant number, since it is smaller than the sum of its proper divisors (36236416).

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

31868096 is a wasteful number, since it uses less digits than its factorization.

31868096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328 (or 38318 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 31868096 is about 5645.1834336893. The cubic root of 31868096 is about 317.0433918450.

The spelling of 31868096 in words is "thirty-one million, eight hundred sixty-eight thousand, ninety-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 38303 76606 153212 306424 497939 612848 995878 1225696 1991756 2451392 3983512 7967024 15934048 31868096