Base | Representation |
---|---|
bin | 111010011011… |
… | …0001111111100 |
3 | 2010122012201002 |
4 | 1310312033330 |
5 | 30320142113 |
6 | 3012305432 |
7 | 521233640 |
oct | 164661774 |
9 | 63565632 |
10 | 30630908 |
11 | 16321500 |
12 | a312278 |
13 | 64661c9 |
14 | 40d4c20 |
15 | 2a50c58 |
hex | 1d363fc |
30630908 has 36 divisors (see below), whose sum is σ = 67344816. Its totient is φ = 11932800.
The previous prime is 30630893. The next prime is 30630911. The reversal of 30630908 is 80903603.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133 + ... + 7908.
Almost surely, 230630908 is an apocalyptic number.
It is an amenable number.
30630908 is an abundant number, since it is smaller than the sum of its proper divisors (36713908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30630908 is a wasteful number, since it uses less digits than its factorization.
30630908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9074 (or 9061 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 30630908 is about 5534.5196720221. The cubic root of 30630908 is about 312.8863547791.
The spelling of 30630908 in words is "thirty million, six hundred thirty thousand, nine hundred eight".
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