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87135150 = 2352580901
BaseRepresentation
bin1010011000110…
…01001110101110
320001221220221210
411030121032232
5134301311100
612351335250
72105431224
oct514311656
9201856853
1087135150
1145204a23
1225221526
131508ac7b
14b802b14
1579b2c50
hex53193ae

87135150 has 24 divisors (see below), whose sum is σ = 216095544. Its totient is φ = 23236000.

The previous prime is 87135137. The next prime is 87135161. The reversal of 87135150 is 5153178.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290301 + ... + 290600.

It is an arithmetic number, because the mean of its divisors is an integer number (9003981).

Almost surely, 287135150 is an apocalyptic number.

87135150 is an abundant number, since it is smaller than the sum of its proper divisors (128960394).

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

87135150 is a wasteful number, since it uses less digits than its factorization.

87135150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580916 (or 580911 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 87135150 is about 9334.6210421206. The cubic root of 87135150 is about 443.3340902368.

The spelling of 87135150 in words is "eighty-seven million, one hundred thirty-five thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 580901 1161802 1742703 2904505 3485406 5809010 8713515 14522525 17427030 29045050 43567575 87135150