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85865802 = 23111300997
BaseRepresentation
bin1010001111000…
…11010101001010
312222120102201220
411013203111022
5133440201202
612304222510
72061563421
oct507432512
9188512656
1085865802
1144518280
122490aa36
1314a35289
14b5922b8
157811abc
hex51e354a

85865802 has 16 divisors (see below), whose sum is σ = 187343712. Its totient is φ = 26019920.

The previous prime is 85865783. The next prime is 85865809. The reversal of 85865802 is 20856858.

It is not an unprimeable number, because it can be changed into a prime (85865809) 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, 650433 + ... + 650564.

It is an arithmetic number, because the mean of its divisors is an integer number (11708982).

Almost surely, 285865802 is an apocalyptic number.

85865802 is an abundant number, since it is smaller than the sum of its proper divisors (101477910).

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

85865802 is a wasteful number, since it uses less digits than its factorization.

85865802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301013.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 85865802 is about 9266.3801994090. The cubic root of 85865802 is about 441.1707834477.

The spelling of 85865802 in words is "eighty-five million, eight hundred sixty-five thousand, eight hundred two".

Divisors: 1 2 3 6 11 22 33 66 1300997 2601994 3902991 7805982 14310967 28621934 42932901 85865802