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85313953 = 314016863
BaseRepresentation
bin1010001010111…
…00100110100001
312221112101202001
411011130212201
5133320021303
612244324001
72054104504
oct505344641
9187471661
1085313953
11441806aa
12246a3601
13148a103a
14b48b13b
15775331d
hex515c9a1

85313953 has 8 divisors (see below), whose sum is σ = 88298496. Its totient is φ = 82344000.

The previous prime is 85313951. The next prime is 85314017. The reversal of 85313953 is 35931358.

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 85313953 - 21 = 85313951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85313951) 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, 9000 + ... + 15862.

It is an arithmetic number, because the mean of its divisors is an integer number (11037312).

Almost surely, 285313953 is an apocalyptic number.

It is an amenable number.

85313953 is a deficient number, since it is larger than the sum of its proper divisors (2984543).

85313953 is a wasteful number, since it uses less digits than its factorization.

85313953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295.

The product of its digits is 48600, while the sum is 37.

The square root of 85313953 is about 9236.5552561548. Note that the first 3 decimals coincide. The cubic root of 85313953 is about 440.2236345944.

The spelling of 85313953 in words is "eighty-five million, three hundred thirteen thousand, nine hundred fifty-three".

Divisors: 1 31 401 6863 12431 212753 2752063 85313953