Base | Representation |
---|---|
bin | 1010011000101… |
… | …00000010010011 |
3 | 20001220211202211 |
4 | 11030110002103 |
5 | 134300121000 |
6 | 12351052551 |
7 | 2105312212 |
oct | 514240223 |
9 | 201824684 |
10 | 87113875 |
11 | 4519aa42 |
12 | 25211157 |
13 | 15081394 |
14 | b7d9079 |
15 | 79ab7ba |
hex | 5314093 |
87113875 has 16 divisors (see below), whose sum is σ = 112230144. Its totient is φ = 67440000.
The previous prime is 87113861. The next prime is 87113891. The reversal of 87113875 is 57831178.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-87113875 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 15115.
It is an arithmetic number, because the mean of its divisors is an integer number (7014384).
Almost surely, 287113875 is an apocalyptic number.
87113875 is a deficient number, since it is larger than the sum of its proper divisors (25116269).
87113875 is a wasteful number, since it uses less digits than its factorization.
87113875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22527 (or 22517 counting only the distinct ones).
The product of its digits is 47040, while the sum is 40.
The square root of 87113875 is about 9333.4813976351. The cubic root of 87113875 is about 443.2980056773.
The spelling of 87113875 in words is "eighty-seven million, one hundred thirteen thousand, eight hundred seventy-five".
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