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87534372 = 22323331307
BaseRepresentation
bin1010011011110…
…10101100100100
320002201012120210
411031322230210
5134402044442
612404055420
72112013152
oct515725444
9202635523
1087534372
1145457962
1225394570
131519a8b3
14b8a83d2
157a4119c
hex537ab24

87534372 has 24 divisors (see below), whose sum is σ = 205130016. Its totient is φ = 29051968.

The previous prime is 87534353. The next prime is 87534397. The reversal of 87534372 is 27343578.

It is a self number, because there is not a number n which added to its sum of digits gives 87534372.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12858 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (8547084).

Almost surely, 287534372 is an apocalyptic number.

It is an amenable number.

87534372 is an abundant number, since it is smaller than the sum of its proper divisors (117595644).

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

87534372 is a wasteful number, since it uses less digits than its factorization.

87534372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31547 (or 31545 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 87534372 is about 9355.9805472222. The cubic root of 87534372 is about 444.0101247590.

The spelling of 87534372 in words is "eighty-seven million, five hundred thirty-four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 233 466 699 932 1398 2796 31307 62614 93921 125228 187842 375684 7294531 14589062 21883593 29178124 43767186 87534372