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85232083 = 173492671
BaseRepresentation
bin1010001010010…
…00100111010011
312221101020102211
411011020213103
5133304411313
612242452551
72053314016
oct505104723
9187336384
1085232083
1144125142
1224664157
13148729b1
14b46937d
157738e3d
hex51489d3

85232083 has 4 divisors (see below), whose sum is σ = 85724928. Its totient is φ = 84739240.

The previous prime is 85232047. The next prime is 85232087. The reversal of 85232083 is 38023258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85232083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85232087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246163 + ... + 246508.

It is an arithmetic number, because the mean of its divisors is an integer number (21431232).

Almost surely, 285232083 is an apocalyptic number.

85232083 is a deficient number, since it is larger than the sum of its proper divisors (492845).

85232083 is a wasteful number, since it uses less digits than its factorization.

85232083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492844.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 85232083 is about 9232.1223453765. The cubic root of 85232083 is about 440.0827719626.

The spelling of 85232083 in words is "eighty-five million, two hundred thirty-two thousand, eighty-three".

Divisors: 1 173 492671 85232083