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31014304 = 252342139
BaseRepresentation
bin111011001001…
…1110110100000
32011100200121221
41312103312200
530414424204
63024424424
7524421466
oct166236640
964320557
1031014304
1116563562
12a478114
13656b879
144194836
152ac9654
hex1d93da0

31014304 has 24 divisors (see below), whose sum is σ = 63715680. Its totient is φ = 14832576.

The previous prime is 31014299. The next prime is 31014323. The reversal of 31014304 is 40341013.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20334 + ... + 21805.

It is an arithmetic number, because the mean of its divisors is an integer number (2654820).

Almost surely, 231014304 is an apocalyptic number.

It is an amenable number.

31014304 is an abundant number, since it is smaller than the sum of its proper divisors (32701376).

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

31014304 is a wasteful number, since it uses less digits than its factorization.

31014304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42172 (or 42164 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31014304 is about 5569.0487518067. The cubic root of 31014304 is about 314.1863742708.

Adding to 31014304 its reverse (40341013), we get a palindrome (71355317).

The spelling of 31014304 in words is "thirty-one million, fourteen thousand, three hundred four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 42139 84278 168556 337112 674224 969197 1348448 1938394 3876788 7753576 15507152 31014304