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85115 = 529587
BaseRepresentation
bin10100110001111011
311022202102
4110301323
510210430
61454015
7503102
oct246173
9138672
1085115
1158a48
124130b
132c984
1423039
151a345
hex14c7b

85115 has 8 divisors (see below), whose sum is σ = 105840. Its totient is φ = 65632.

The previous prime is 85109. The next prime is 85121. The reversal of 85115 is 51158.

It is an interprime number because it is at equal distance from previous prime (85109) and next prime (85121).

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

It is a cyclic number.

It is not a de Polignac number, because 85115 - 28 = 84859 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 438.

It is an arithmetic number, because the mean of its divisors is an integer number (13230).

285115 is an apocalyptic number.

85115 is a deficient number, since it is larger than the sum of its proper divisors (20725).

85115 is a wasteful number, since it uses less digits than its factorization.

85115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its digits is 200, while the sum is 20.

The square root of 85115 is about 291.7447514524. The cubic root of 85115 is about 43.9881166256.

The spelling of 85115 in words is "eighty-five thousand, one hundred fifteen".

Divisors: 1 5 29 145 587 2935 17023 85115