Base | Representation |
---|---|
bin | 10111011001110… |
… | …001000110001100 |
3 | 1000100210201000121 |
4 | 113121301012030 |
5 | 1301003140133 |
6 | 102543234324 |
7 | 12505206553 |
oct | 2731610614 |
9 | 1010721017 |
10 | 392630668 |
11 | 1916a2261 |
12 | ab5a89a4 |
13 | 63461251 |
14 | 3a206d9a |
15 | 2470a02d |
hex | 1767118c |
392630668 has 24 divisors (see below), whose sum is σ = 738662400. Its totient is φ = 182024208.
The previous prime is 392630627. The next prime is 392630669. The reversal of 392630668 is 866036293.
It is not an unprimeable number, because it can be changed into a prime (392630669) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51388 + ... + 58531.
It is an arithmetic number, because the mean of its divisors is an integer number (30777600).
Almost surely, 2392630668 is an apocalyptic number.
392630668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
392630668 is a deficient number, since it is larger than the sum of its proper divisors (346031732).
392630668 is a wasteful number, since it uses less digits than its factorization.
392630668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109989 (or 109987 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 43.
The square root of 392630668 is about 19814.9102445608. The cubic root of 392630668 is about 732.2534158962.
The spelling of 392630668 in words is "three hundred ninety-two million, six hundred thirty thousand, six hundred sixty-eight".
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