Base | Representation |
---|---|
bin | 1010011010110… |
… | …01101011111000 |
3 | 20002110100002221 |
4 | 11031121223320 |
5 | 134333233120 |
6 | 12401133424 |
7 | 2110611022 |
oct | 515315370 |
9 | 202410087 |
10 | 87399160 |
11 | 45375312 |
12 | 2532a274 |
13 | 151511a4 |
14 | b871012 |
15 | 7a160aa |
hex | 5359af8 |
87399160 has 16 divisors (see below), whose sum is σ = 196648200. Its totient is φ = 34959648.
The previous prime is 87399131. The next prime is 87399161. The reversal of 87399160 is 6199378.
It is a super-2 number, since 2×873991602 = 15277226337411200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87399161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092450 + ... + 1092529.
Almost surely, 287399160 is an apocalyptic number.
It is an amenable number.
87399160 is an abundant number, since it is smaller than the sum of its proper divisors (109249040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87399160 is a wasteful number, since it uses less digits than its factorization.
87399160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2184990 (or 2184986 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 43.
The square root of 87399160 is about 9348.7517883405. The cubic root of 87399160 is about 443.7813900958.
The spelling of 87399160 in words is "eighty-seven million, three hundred ninety-nine thousand, one hundred sixty".
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