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86539842 = 23246110429
BaseRepresentation
bin1010010100001…
…11111001000010
320000211200100100
411022013321002
5134123233332
612330503230
72100401514
oct512077102
9200750310
1086539842
1144938734
1224b94b16
1314c1000c
14b6c9bb4
1578e667c
hex5287e42

86539842 has 24 divisors (see below), whose sum is σ = 187927740. Its totient is φ = 28781280.

The previous prime is 86539829. The next prime is 86539847. The reversal of 86539842 is 24893568.

It can be written as a sum of positive squares in 2 ways, for example, as 81162081 + 5377761 = 9009^2 + 2319^2 .

It is not an unprimeable number, because it can be changed into a prime (86539847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084 + ... + 13512.

Almost surely, 286539842 is an apocalyptic number.

86539842 is an abundant number, since it is smaller than the sum of its proper divisors (101387898).

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

86539842 is a wasteful number, since it uses less digits than its factorization.

86539842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10898 (or 10895 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 86539842 is about 9302.6792914730. The cubic root of 86539842 is about 442.3221616121.

The spelling of 86539842 in words is "eighty-six million, five hundred thirty-nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 461 922 1383 2766 4149 8298 10429 20858 31287 62574 93861 187722 4807769 9615538 14423307 28846614 43269921 86539842