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82931169 = 32331137283
BaseRepresentation
bin1001111000101…
…10110111100001
312210001100011210
410330112313201
5132212244134
612121300333
72024621556
oct474266741
9183040153
1082931169
11428a3462
12239346a9
13142485c9
14b02aa2d
1574322e9
hex4f16de1

82931169 has 32 divisors (see below), whose sum is σ = 120397824. Its totient is φ = 50624640.

The previous prime is 82931161. The next prime is 82931197. The reversal of 82931169 is 96113928.

It is not a de Polignac number, because 82931169 - 23 = 82931161 is a prime.

It is a super-2 number, since 2×829311692 = 13755157583413122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82931161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292902 + ... + 293184.

It is an arithmetic number, because the mean of its divisors is an integer number (3762432).

Almost surely, 282931169 is an apocalyptic number.

It is an amenable number.

82931169 is a deficient number, since it is larger than the sum of its proper divisors (37466655).

82931169 is a wasteful number, since it uses less digits than its factorization.

82931169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its digits is 23328, while the sum is 39.

The square root of 82931169 is about 9106.6552037507. The cubic root of 82931169 is about 436.0864532011.

The spelling of 82931169 in words is "eighty-two million, nine hundred thirty-one thousand, one hundred sixty-nine".

Divisors: 1 3 23 31 69 93 137 283 411 713 849 2139 3151 4247 6509 8773 9453 12741 19527 26319 38771 97681 116313 201779 293043 605337 891733 1201901 2675199 3605703 27643723 82931169