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31064268 = 2232588689
BaseRepresentation
bin111011010000…
…0000011001100
32011110020011110
41312200003030
530423024033
63025452020
7525020244
oct166400314
964406143
1031064268
1116598054
12a4a1010
136588531
1441a8b24
152ad9363
hex1da00cc

31064268 has 12 divisors (see below), whose sum is σ = 72483320. Its totient is φ = 10354752.

The previous prime is 31064261. The next prime is 31064273. The reversal of 31064268 is 86246013.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (31064261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294333 + ... + 1294356.

Almost surely, 231064268 is an apocalyptic number.

It is an amenable number.

31064268 is an abundant number, since it is smaller than the sum of its proper divisors (41419052).

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

31064268 is a wasteful number, since it uses less digits than its factorization.

31064268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588696 (or 2588694 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 31064268 is about 5573.5328114222. The cubic root of 31064268 is about 314.3550016856.

The spelling of 31064268 in words is "thirty-one million, sixty-four thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2588689 5177378 7766067 10354756 15532134 31064268