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85145166 = 2324730287
BaseRepresentation
bin1010001001100…
…11011001001110
312221012211012200
411010303121032
5133244121131
612240542330
72052502431
oct504633116
9187184180
1085145166
1144075907
12246219a6
1314842272
14b445818
15771d2e6
hex513364e

85145166 has 12 divisors (see below), whose sum is σ = 184481232. Its totient is φ = 28381716.

The previous prime is 85145147. The next prime is 85145167. The reversal of 85145166 is 66154158.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85145166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85145167) 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 5 ways as a sum of consecutive naturals, for example, 2365126 + ... + 2365161.

It is an arithmetic number, because the mean of its divisors is an integer number (15373436).

Almost surely, 285145166 is an apocalyptic number.

85145166 is an abundant number, since it is smaller than the sum of its proper divisors (99336066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85145166 is a wasteful number, since it uses less digits than its factorization.

85145166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730295 (or 4730292 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 85145166 is about 9227.4138305378. The cubic root of 85145166 is about 439.9331268892.

The spelling of 85145166 in words is "eighty-five million, one hundred forty-five thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 4730287 9460574 14190861 28381722 42572583 85145166