Base | Representation |
---|---|
bin | 1010011100111… |
… | …10010000100010 |
3 | 20002222121101200 |
4 | 11032132100202 |
5 | 134421230114 |
6 | 12411142030 |
7 | 2113160631 |
oct | 516362042 |
9 | 202877350 |
10 | 87680034 |
11 | 45547342 |
12 | 25444916 |
13 | 1521bca0 |
14 | b905518 |
15 | 7a6e409 |
hex | 539e422 |
87680034 has 24 divisors (see below), whose sum is σ = 204587292. Its totient is φ = 26978400.
The previous prime is 87680029. The next prime is 87680057. The reversal of 87680034 is 43008678.
It can be written as a sum of positive squares in 2 ways, for example, as 86545809 + 1134225 = 9303^2 + 1065^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187117 + ... + 187584.
Almost surely, 287680034 is an apocalyptic number.
87680034 is an abundant number, since it is smaller than the sum of its proper divisors (116907258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87680034 is a wasteful number, since it uses less digits than its factorization.
87680034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374722 (or 374719 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 87680034 is about 9363.7617440855. The cubic root of 87680034 is about 444.2562740143.
The spelling of 87680034 in words is "eighty-seven million, six hundred eighty thousand, thirty-four".
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