Base | Representation |
---|---|
bin | 1010011000100… |
… | …11101010001010 |
3 | 20001220202122121 |
4 | 11030103222022 |
5 | 134300043310 |
6 | 12351041454 |
7 | 2105304544 |
oct | 514235212 |
9 | 201822577 |
10 | 87112330 |
11 | 45199868 |
12 | 2521028a |
13 | 15080776 |
14 | b7d8694 |
15 | 79ab0da |
hex | 5313a8a |
87112330 has 16 divisors (see below), whose sum is σ = 156987720. Its totient is φ = 34803712.
The previous prime is 87112327. The next prime is 87112343. The reversal of 87112330 is 3321178.
It can be written as a sum of positive squares in 4 ways, for example, as 24591681 + 62520649 = 4959^2 + 7907^2 .
It is a junction number, because it is equal to n+sod(n) for n = 87112295 and 87112304.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4602 + ... + 13978.
Almost surely, 287112330 is an apocalyptic number.
87112330 is a deficient number, since it is larger than the sum of its proper divisors (69875390).
87112330 is a wasteful number, since it uses less digits than its factorization.
87112330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10313.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 87112330 is about 9333.3986307240. The cubic root of 87112330 is about 443.2953849717.
The spelling of 87112330 in words is "eighty-seven million, one hundred twelve thousand, three hundred thirty".
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