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31064016 = 2433717491
BaseRepresentation
bin111011001111…
…1111111010000
32011110012211010
41312133333100
530423022031
63025450520
7525016434
oct166377720
964405733
1031064016
1116597945
12a4a0a40
136588399
1441a89c4
152ad9246
hex1d9ffd0

31064016 has 40 divisors (see below), whose sum is σ = 82422304. Its totient is φ = 10074240.

The previous prime is 31064009. The next prime is 31064021. The reversal of 31064016 is 61046013.

It is a junction number, because it is equal to n+sod(n) for n = 31063983 and 31064001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6970 + ... + 10521.

Almost surely, 231064016 is an apocalyptic number.

It is an amenable number.

31064016 is an abundant number, since it is smaller than the sum of its proper divisors (51358288).

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

31064016 is a wasteful number, since it uses less digits than its factorization.

31064016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17539 (or 17533 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 31064016 is about 5573.5102045300. The cubic root of 31064016 is about 314.3541516449.

The spelling of 31064016 in words is "thirty-one million, sixty-four thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 17491 34982 52473 69964 104946 139928 209892 279856 419784 647167 839568 1294334 1941501 2588668 3883002 5177336 7766004 10354672 15532008 31064016