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85229868 = 2237102489
BaseRepresentation
bin1010001010010…
…00000100101100
312221101010101210
411011020010230
5133304323433
612242434420
72053304403
oct505100454
9187333353
1085229868
1144123509
1224662a10
1314871999
14b46863a
157738463
hex514812c

85229868 has 12 divisors (see below), whose sum is σ = 198869720. Its totient is φ = 28409952.

The previous prime is 85229867. The next prime is 85229897. The reversal of 85229868 is 86892258.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (85229867) 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, 3551233 + ... + 3551256.

Almost surely, 285229868 is an apocalyptic number.

It is an amenable number.

85229868 is an abundant number, since it is smaller than the sum of its proper divisors (113639852).

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

85229868 is a wasteful number, since it uses less digits than its factorization.

85229868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102496 (or 7102494 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 85229868 is about 9232.0023830153. The cubic root of 85229868 is about 440.0789596587.

The spelling of 85229868 in words is "eighty-five million, two hundred twenty-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 7102489 14204978 21307467 28409956 42614934 85229868