Base | Representation |
---|---|
bin | 1010011100100… |
… | …01000011110100 |
3 | 20002212212020101 |
4 | 11032101003310 |
5 | 134413012342 |
6 | 12410043444 |
7 | 2112544210 |
oct | 516210364 |
9 | 202785211 |
10 | 87625972 |
11 | 4550a765 |
12 | 25419584 |
13 | 152004b5 |
14 | b8cd940 |
15 | 7a5d3b7 |
hex | 53910f4 |
87625972 has 24 divisors (see below), whose sum is σ = 176865920. Its totient is φ = 37208160.
The previous prime is 87625969. The next prime is 87625981. The reversal of 87625972 is 27952678.
It is a congruent number.
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, 11304 + ... + 17407.
Almost surely, 287625972 is an apocalyptic number.
It is an amenable number.
87625972 is an abundant number, since it is smaller than the sum of its proper divisors (89239948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87625972 is a wasteful number, since it uses less digits than its factorization.
87625972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28831 (or 28829 counting only the distinct ones).
The product of its digits is 423360, while the sum is 46.
The square root of 87625972 is about 9360.8745317946. The cubic root of 87625972 is about 444.1649483174.
The spelling of 87625972 in words is "eighty-seven million, six hundred twenty-five thousand, nine hundred seventy-two".
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