Base | Representation |
---|---|
bin | 1010011001000… |
… | …01010001000000 |
3 | 20002000121002211 |
4 | 11030201101000 |
5 | 134303334224 |
6 | 12352151504 |
7 | 2105626204 |
oct | 514412100 |
9 | 202017084 |
10 | 87168064 |
11 | 45227725 |
12 | 25238594 |
13 | 1509cc49 |
14 | b810b04 |
15 | 79bc894 |
hex | 5321440 |
87168064 has 28 divisors (see below), whose sum is σ = 173895004. Its totient is φ = 43352064.
The previous prime is 87168043. The next prime is 87168071. The reversal of 87168064 is 46086178.
It can be written as a sum of positive squares in 2 ways, for example, as 64128064 + 23040000 = 8008^2 + 4800^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8824 + ... + 15880.
Almost surely, 287168064 is an apocalyptic number.
It is an amenable number.
87168064 is a deficient number, since it is larger than the sum of its proper divisors (86726940).
87168064 is a wasteful number, since it uses less digits than its factorization.
87168064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7262 (or 7252 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 87168064 is about 9336.3838824247. The cubic root of 87168064 is about 443.3899041510.
The spelling of 87168064 in words is "eighty-seven million, one hundred sixty-eight thousand, sixty-four".
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