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87016068 = 22323836311
BaseRepresentation
bin1010010111111…
…00001010000100
320001201212121100
411023330022010
5134234003233
612345020100
72104424106
oct513741204
9201655540
1087016068
1145133507
1225184630
13150489c9
14b7b1576
15798c813
hex52fc284

87016068 has 36 divisors (see below), whose sum is σ = 220566528. Its totient is φ = 28925040.

The previous prime is 87016043. The next prime is 87016079. The reversal of 87016068 is 86061078.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 10633 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (6126848).

Almost surely, 287016068 is an apocalyptic number.

It is an amenable number.

87016068 is an abundant number, since it is smaller than the sum of its proper divisors (133550460).

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

87016068 is a wasteful number, since it uses less digits than its factorization.

87016068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704 (or 6699 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 87016068 is about 9328.2403485331. The cubic root of 87016068 is about 443.1320394454.

The spelling of 87016068 in words is "eighty-seven million, sixteen thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 383 766 1149 1532 2298 3447 4596 6311 6894 12622 13788 18933 25244 37866 56799 75732 113598 227196 2417113 4834226 7251339 9668452 14502678 21754017 29005356 43508034 87016068