Base | Representation |
---|---|
bin | 111001111110… |
… | …0000101011100 |
3 | 2010012002220101 |
4 | 1303330011130 |
5 | 30240031133 |
6 | 3003230444 |
7 | 516222235 |
oct | 163740534 |
9 | 63162811 |
10 | 30392668 |
11 | 16179509 |
12 | a218424 |
13 | 63b1937 |
14 | 407208c |
15 | 2a0537d |
hex | 1cfc15c |
30392668 has 12 divisors (see below), whose sum is σ = 56315952. Its totient is φ = 14302400.
The previous prime is 30392653. The next prime is 30392707. The reversal of 30392668 is 86629303.
It is a happy number.
It is a congruent number.
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, 223408 + ... + 223543.
It is an arithmetic number, because the mean of its divisors is an integer number (4692996).
Almost surely, 230392668 is an apocalyptic number.
It is an amenable number.
30392668 is a deficient number, since it is larger than the sum of its proper divisors (25923284).
30392668 is a wasteful number, since it uses less digits than its factorization.
30392668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446972 (or 446970 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 37.
The square root of 30392668 is about 5512.9545617572. The cubic root of 30392668 is about 312.0730570755.
The spelling of 30392668 in words is "thirty million, three hundred ninety-two thousand, six hundred sixty-eight".
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