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31074468 = 22310125639
BaseRepresentation
bin111011010001…
…0100010100100
32011110202011020
41312202202210
530423340333
63030011140
7525062055
oct166424244
964422136
1031074468
11165a4787
12a4a6ab0
136590079
1441ac72c
152adc3b3
hex1da28a4

31074468 has 24 divisors (see below), whose sum is σ = 73227840. Its totient is φ = 10255200.

The previous prime is 31074427. The next prime is 31074469. The reversal of 31074468 is 86447013.

It is a super-2 number, since 2×310744682 = 1931245122966048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31074469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11608 + ... + 14031.

It is an arithmetic number, because the mean of its divisors is an integer number (3051160).

Almost surely, 231074468 is an apocalyptic number.

It is an amenable number.

31074468 is an abundant number, since it is smaller than the sum of its proper divisors (42153372).

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

31074468 is a wasteful number, since it uses less digits than its factorization.

31074468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747 (or 25745 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 31074468 is about 5574.4477753406. The cubic root of 31074468 is about 314.3894042360.

The spelling of 31074468 in words is "thirty-one million, seventy-four thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 25639 51278 76917 102556 153834 307668 2589539 5179078 7768617 10358156 15537234 31074468