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31704112 = 2411180137
BaseRepresentation
bin111100011110…
…0010000110000
32012122201212101
41320330100300
531104012422
63051310144
7533323546
oct170742060
965581771
1031704112
1116994850
12a74b354
13675083b
1442d3d96
152bb3c27
hex1e3c430

31704112 has 20 divisors (see below), whose sum is σ = 67011336. Its totient is φ = 14410880.

The previous prime is 31704107. The next prime is 31704131. The reversal of 31704112 is 21140713.

It is a super-3 number, since 3×317041123 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31704112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89893 + ... + 90244.

Almost surely, 231704112 is an apocalyptic number.

It is an amenable number.

31704112 is an abundant number, since it is smaller than the sum of its proper divisors (35307224).

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

31704112 is a wasteful number, since it uses less digits than its factorization.

31704112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180156 (or 180150 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 31704112 is about 5630.6404609067. The cubic root of 31704112 is about 316.4986518997.

Adding to 31704112 its reverse (21140713), we get a palindrome (52844825).

The spelling of 31704112 in words is "thirty-one million, seven hundred four thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 180137 360274 720548 1441096 1981507 2882192 3963014 7926028 15852056 31704112