Base | Representation |
---|---|
bin | 1010011000110… |
… | …00101011110100 |
3 | 20001221210220001 |
4 | 11030120223310 |
5 | 134301223131 |
6 | 12351321044 |
7 | 2105421553 |
oct | 514305364 |
9 | 201853801 |
10 | 87132916 |
11 | 45203282 |
12 | 25220184 |
13 | 15089c50 |
14 | b801d9a |
15 | 79b2261 |
hex | 5318af4 |
87132916 has 24 divisors (see below), whose sum is σ = 164538080. Its totient is φ = 40135392.
The previous prime is 87132853. The next prime is 87132923. The reversal of 87132916 is 61923178.
It is a congruent number.
It is an unprimeable number.
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, 30835 + ... + 33541.
Almost surely, 287132916 is an apocalyptic number.
It is an amenable number.
87132916 is a deficient number, since it is larger than the sum of its proper divisors (77405164).
87132916 is a wasteful number, since it uses less digits than its factorization.
87132916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3343 (or 3341 counting only the distinct ones).
The product of its digits is 18144, while the sum is 37.
The square root of 87132916 is about 9334.5013792918. The cubic root of 87132916 is about 443.3303014221.
The spelling of 87132916 in words is "eighty-seven million, one hundred thirty-two thousand, nine hundred sixteen".
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