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87048085 = 534914987
BaseRepresentation
bin1010011000000…
…11111110010101
320001210111112011
411030003332111
5134241014320
612345424221
72104616335
oct514037625
9201714464
1087048085
1145155573
122519b071
131505a457
14b7bd0c5
15799705a
hex5303f95

87048085 has 8 divisors (see below), whose sum is σ = 104508576. Its totient is φ = 69604560.

The previous prime is 87048083. The next prime is 87048097. The reversal of 87048085 is 58084078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87048085 - 21 = 87048083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87048083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14962 + ... + 19948.

It is an arithmetic number, because the mean of its divisors is an integer number (13063572).

Almost surely, 287048085 is an apocalyptic number.

It is an amenable number.

87048085 is a deficient number, since it is larger than the sum of its proper divisors (17460491).

87048085 is a wasteful number, since it uses less digits than its factorization.

87048085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 87048085 is about 9329.9563235848. The cubic root of 87048085 is about 443.1863819712.

The spelling of 87048085 in words is "eighty-seven million, forty-eight thousand, eighty-five".

Divisors: 1 5 3491 4987 17455 24935 17409617 87048085