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85208793 = 335278053
BaseRepresentation
bin1010001010000…
…10111011011001
312221100001111020
411011002323121
5133303140133
612242153053
72053156065
oct505027331
9187301436
1085208793
114410969a
1224652789
1314865207
14b460aa5
1577320b3
hex5142ed9

85208793 has 8 divisors (see below), whose sum is σ = 113658048. Its totient is φ = 56782704.

The previous prime is 85208723. The next prime is 85208821. The reversal of 85208793 is 39780258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85208793 - 210 = 85207769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85208723) 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, 6555 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (14207256).

Almost surely, 285208793 is an apocalyptic number.

It is an amenable number.

85208793 is a deficient number, since it is larger than the sum of its proper divisors (28449255).

85208793 is a wasteful number, since it uses less digits than its factorization.

85208793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 85208793 is about 9230.8609024294. The cubic root of 85208793 is about 440.0426835314.

The spelling of 85208793 in words is "eighty-five million, two hundred eight thousand, seven hundred ninety-three".

Divisors: 1 3 3527 8053 10581 24159 28402931 85208793