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85923271 = 712274753
BaseRepresentation
bin1010001111100…
…01010111000111
312222200100120101
411013301113013
5133444021041
612305344531
72062223110
oct507612707
9188610511
1085923271
1144557475
1224938147
1314a55495
14b5a9207
157823b31
hex51f15c7

85923271 has 4 divisors (see below), whose sum is σ = 98198032. Its totient is φ = 73648512.

The previous prime is 85923269. The next prime is 85923329. The reversal of 85923271 is 17232958.

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

It is not a de Polignac number, because 85923271 - 21 = 85923269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85923271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85923241) 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, 6137370 + ... + 6137383.

It is an arithmetic number, because the mean of its divisors is an integer number (24549508).

Almost surely, 285923271 is an apocalyptic number.

85923271 is a deficient number, since it is larger than the sum of its proper divisors (12274761).

85923271 is a wasteful number, since it uses less digits than its factorization.

85923271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274760.

The product of its digits is 30240, while the sum is 37.

The square root of 85923271 is about 9269.4806219119. The cubic root of 85923271 is about 441.2691850192.

The spelling of 85923271 in words is "eighty-five million, nine hundred twenty-three thousand, two hundred seventy-one".

Divisors: 1 7 12274753 85923271