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85076183 = 31532977
BaseRepresentation
bin1010001001000…
…10100011010111
312221002022120202
411010202203113
5133234414213
612235251115
72052064343
oct504424327
9187068522
1085076183
1144028aa5
12245a9a9b
1314819a4a
14b428623
157707b58
hex51228d7

85076183 has 12 divisors (see below), whose sum is σ = 89600448. Its totient is φ = 80695680.

The previous prime is 85076161. The next prime is 85076191. The reversal of 85076183 is 38167058.

It is not a de Polignac number, because 85076183 - 26 = 85076119 is a prime.

It is a super-3 number, since 3×850761833 (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85076083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86591 + ... + 87567.

It is an arithmetic number, because the mean of its divisors is an integer number (7466704).

Almost surely, 285076183 is an apocalyptic number.

85076183 is a deficient number, since it is larger than the sum of its proper divisors (4524265).

85076183 is an equidigital number, since it uses as much as digits as its factorization.

85076183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 85076183 is about 9223.6751352159. The cubic root of 85076183 is about 439.8142862950.

The spelling of 85076183 in words is "eighty-five million, seventy-six thousand, one hundred eighty-three".

Divisors: 1 31 53 977 1643 2809 30287 51781 87079 1605211 2744393 85076183