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87329960 = 2352183249
BaseRepresentation
bin1010011010010…
…00110010101000
320002022211011222
411031020302220
5134324024320
612355441212
72110202204
oct515106250
9202284158
1087329960
1145328323
12252b6208
1315128843
14b853b04
157a00825
hex5348ca8

87329960 has 16 divisors (see below), whose sum is σ = 196492500. Its totient is φ = 34931968.

The previous prime is 87329951. The next prime is 87329993. The reversal of 87329960 is 6992378.

It can be written as a sum of positive squares in 2 ways, for example, as 77757124 + 9572836 = 8818^2 + 3094^2 .

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, 1091585 + ... + 1091664.

Almost surely, 287329960 is an apocalyptic number.

It is an amenable number.

87329960 is an abundant number, since it is smaller than the sum of its proper divisors (109162540).

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

87329960 is a wasteful number, since it uses less digits than its factorization.

87329960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183260 (or 2183256 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 87329960 is about 9345.0500266184. The cubic root of 87329960 is about 443.6642349624.

The spelling of 87329960 in words is "eighty-seven million, three hundred twenty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2183249 4366498 8732996 10916245 17465992 21832490 43664980 87329960