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85275806 = 27111573527
BaseRepresentation
bin1010001010100…
…11010010011110
312221110110102012
411011103102132
5133312311211
612243431222
72053555340
oct505232236
9187413365
1085275806
1144154a80
1224685512
1314889875
14b47b290
157746d8b
hex515349e

85275806 has 32 divisors (see below), whose sum is σ = 160538112. Its totient is φ = 33003360.

The previous prime is 85275793. The next prime is 85275809. The reversal of 85275806 is 60857258.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85275809) 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 15 ways as a sum of consecutive naturals, for example, 22415 + ... + 25941.

It is an arithmetic number, because the mean of its divisors is an integer number (5016816).

Almost surely, 285275806 is an apocalyptic number.

85275806 is a deficient number, since it is larger than the sum of its proper divisors (75262306).

85275806 is a wasteful number, since it uses less digits than its factorization.

85275806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 85275806 is about 9234.4900238183. The cubic root of 85275806 is about 440.1580114305.

The spelling of 85275806 in words is "eighty-five million, two hundred seventy-five thousand, eight hundred six".

Divisors: 1 2 7 11 14 22 77 154 157 314 1099 1727 2198 3454 3527 7054 12089 24178 24689 38797 49378 77594 271579 543158 553739 1107478 3876173 6091129 7752346 12182258 42637903 85275806