Base | Representation |
---|---|
bin | 1010011011101… |
… | …11010000001100 |
3 | 20002200111020102 |
4 | 11031313100030 |
5 | 134401122033 |
6 | 12403510232 |
7 | 2111624063 |
oct | 515672014 |
9 | 202614212 |
10 | 87520268 |
11 | 45448300 |
12 | 25388378 |
13 | 15194354 |
14 | b8a31da |
15 | 7a3bde8 |
hex | 537740c |
87520268 has 36 divisors (see below), whose sum is σ = 169345176. Its totient is φ = 39547200.
The previous prime is 87520261. The next prime is 87520273. The reversal of 87520268 is 86202578.
It is not an unprimeable number, because it can be changed into a prime (87520261) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 101696 + ... + 102552.
Almost surely, 287520268 is an apocalyptic number.
It is an amenable number.
87520268 is a deficient number, since it is larger than the sum of its proper divisors (81824908).
87520268 is a wasteful number, since it uses less digits than its factorization.
87520268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1094 (or 1081 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 87520268 is about 9355.2267743759. The cubic root of 87520268 is about 443.9862763932.
The spelling of 87520268 in words is "eighty-seven million, five hundred twenty thousand, two hundred sixty-eight".
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