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87448664 = 2311879209
BaseRepresentation
bin1010011011001…
…01110001011000
320002112212000102
411031211301120
5134341324124
612402154532
72111205242
oct515456130
9202485012
1087448664
11453a9526
1225352a48
131516a894
14b885092
157a25aae
hex5365c58

87448664 has 16 divisors (see below), whose sum is σ = 164122200. Its totient is φ = 43682752.

The previous prime is 87448637. The next prime is 87448667. The reversal of 87448664 is 46684478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87448667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4892 + ... + 14100.

Almost surely, 287448664 is an apocalyptic number.

It is an amenable number.

87448664 is a deficient number, since it is larger than the sum of its proper divisors (76673536).

87448664 is a wasteful number, since it uses less digits than its factorization.

87448664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402 (or 10398 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The square root of 87448664 is about 9351.3990397159. The cubic root of 87448664 is about 443.8651620962.

The spelling of 87448664 in words is "eighty-seven million, four hundred forty-eight thousand, six hundred sixty-four".

Divisors: 1 2 4 8 1187 2374 4748 9209 9496 18418 36836 73672 10931083 21862166 43724332 87448664