Base | Representation |
---|---|
bin | 1010010100001… |
… | …11111001000010 |
3 | 20000211200100100 |
4 | 11022013321002 |
5 | 134123233332 |
6 | 12330503230 |
7 | 2100401514 |
oct | 512077102 |
9 | 200750310 |
10 | 86539842 |
11 | 44938734 |
12 | 24b94b16 |
13 | 14c1000c |
14 | b6c9bb4 |
15 | 78e667c |
hex | 5287e42 |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •