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31374325 = 523140483
BaseRepresentation
bin111011110101…
…1101111110101
32012000222111001
41313223233311
531012434300
63040243301
7530451223
oct167535765
965028431
1031374325
1116789aa4
12a610531
1366666b8
144249b13
152b4b16a
hex1debbf5

31374325 has 12 divisors (see below), whose sum is σ = 40160128. Its totient is φ = 24289200.

The previous prime is 31374311. The next prime is 31374341. The reversal of 31374325 is 52347313.

It is not a de Polignac number, because 31374325 - 25 = 31374293 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31374293 and 31374302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19467 + ... + 21016.

Almost surely, 231374325 is an apocalyptic number.

It is an amenable number.

31374325 is a deficient number, since it is larger than the sum of its proper divisors (8785803).

31374325 is a wasteful number, since it uses less digits than its factorization.

31374325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40524 (or 40519 counting only the distinct ones).

The product of its digits is 7560, while the sum is 28.

The square root of 31374325 is about 5601.2788718292. The cubic root of 31374325 is about 315.3974155866.

The spelling of 31374325 in words is "thirty-one million, three hundred seventy-four thousand, three hundred twenty-five".

Divisors: 1 5 25 31 155 775 40483 202415 1012075 1254973 6274865 31374325