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31064214 = 23231631381
BaseRepresentation
bin111011010000…
…0000010010110
32011110020002110
41312200002112
530423023324
63025451450
7525020136
oct166400226
964406073
1031064214
1116598005
12a4a0b86
1365884bc
1441a8ac6
152ad9329
hex1da0096

31064214 has 32 divisors (see below), whose sum is σ = 65274624. Its totient is φ = 9836640.

The previous prime is 31064179. The next prime is 31064233. The reversal of 31064214 is 41246013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21804 + ... + 23184.

It is an arithmetic number, because the mean of its divisors is an integer number (2039832).

Almost surely, 231064214 is an apocalyptic number.

31064214 is an abundant number, since it is smaller than the sum of its proper divisors (34210410).

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

31064214 is a wasteful number, since it uses less digits than its factorization.

31064214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 31064214 is about 5573.5279670959. The cubic root of 31064214 is about 314.3548195344.

The spelling of 31064214 in words is "thirty-one million, sixty-four thousand, two hundred fourteen".

Divisors: 1 2 3 6 23 46 69 138 163 326 489 978 1381 2762 3749 4143 7498 8286 11247 22494 31763 63526 95289 190578 225103 450206 675309 1350618 5177369 10354738 15532107 31064214