Base | Representation |
---|---|
bin | 1010011000111… |
… | …11010011111000 |
3 | 20002000012010020 |
4 | 11030133103320 |
5 | 134303110211 |
6 | 12352050440 |
7 | 2105563644 |
oct | 514372370 |
9 | 202005106 |
10 | 87160056 |
11 | 45221705 |
12 | 25233a20 |
13 | 150993c9 |
14 | b80bc24 |
15 | 79ba306 |
hex | 531f4f8 |
87160056 has 32 divisors (see below), whose sum is σ = 218246400. Its totient is φ = 29007200.
The previous prime is 87160039. The next prime is 87160067. The reversal of 87160056 is 65006178.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 87159999 and 87160026.
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, 14731 + ... + 19781.
It is an arithmetic number, because the mean of its divisors is an integer number (6820200).
Almost surely, 287160056 is an apocalyptic number.
It is an amenable number.
87160056 is an abundant number, since it is smaller than the sum of its proper divisors (131086344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87160056 is a wasteful number, since it uses less digits than its factorization.
87160056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5779 (or 5775 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 87160056 is about 9335.9550127451. The cubic root of 87160056 is about 443.3763258788.
The spelling of 87160056 in words is "eighty-seven million, one hundred sixty thousand, fifty-six".
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