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85076891 = 179295387
BaseRepresentation
bin1010001001000…
…10101110011011
312221002100112222
411010202232123
5133234430031
612235254255
72052066404
oct504425633
9187070488
1085076891
1144029589
12245aa38b
131481a173
14b4289ab
157707e7b
hex5122b9b

85076891 has 8 divisors (see below), whose sum is σ = 90195120. Its totient is φ = 79971328.

The previous prime is 85076869. The next prime is 85076903. The reversal of 85076891 is 19867058.

It is a happy number.

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 85076891 - 210 = 85075867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85076861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13100 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (11274390).

Almost surely, 285076891 is an apocalyptic number.

85076891 is a deficient number, since it is larger than the sum of its proper divisors (5118229).

85076891 is a wasteful number, since it uses less digits than its factorization.

85076891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 85076891 is about 9223.7135146317. The cubic root of 85076891 is about 439.8155063296.

The spelling of 85076891 in words is "eighty-five million, seventy-six thousand, eight hundred ninety-one".

Divisors: 1 17 929 5387 15793 91579 5004523 85076891