Base | Representation |
---|---|
bin | 1010011110101… |
… | …01111101001000 |
3 | 20010102012100002 |
4 | 11033111331020 |
5 | 140001030133 |
6 | 12420102132 |
7 | 2115131015 |
oct | 517257510 |
9 | 203365302 |
10 | 87908168 |
11 | 45692787 |
12 | 25534948 |
13 | 1529ba8a |
14 | b96470c |
15 | 7ab6ce8 |
hex | 53d5f48 |
87908168 has 32 divisors (see below), whose sum is σ = 169340160. Its totient is φ = 42759360.
The previous prime is 87908147. The next prime is 87908203. The reversal of 87908168 is 86180978.
It is a super-2 number, since 2×879081682 = 15455692002232448, which contains 22 as substring.
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, 144521 + ... + 145127.
It is an arithmetic number, because the mean of its divisors is an integer number (5291880).
Almost surely, 287908168 is an apocalyptic number.
It is an amenable number.
87908168 is a deficient number, since it is larger than the sum of its proper divisors (81431992).
87908168 is a wasteful number, since it uses less digits than its factorization.
87908168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1077 (or 1073 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 47.
The square root of 87908168 is about 9375.9355799835. The cubic root of 87908168 is about 444.6412426420.
The spelling of 87908168 in words is "eighty-seven million, nine hundred eight thousand, one hundred sixty-eight".
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