Base | Representation |
---|---|
bin | 111011000011… |
… | …0001110101100 |
3 | 2011020212002102 |
4 | 1312012032230 |
5 | 30411133013 |
6 | 3023314232 |
7 | 524100020 |
oct | 166061654 |
9 | 64225072 |
10 | 30958508 |
11 | 16525649 |
12 | a44b978 |
13 | 654c359 |
14 | 417c380 |
15 | 2ab7d58 |
hex | 1d863ac |
30958508 has 12 divisors (see below), whose sum is σ = 61917072. Its totient is φ = 13267920.
The previous prime is 30958493. The next prime is 30958511. The reversal of 30958508 is 80585903.
30958508 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552803 + ... + 552858.
It is an arithmetic number, because the mean of its divisors is an integer number (5159756).
Almost surely, 230958508 is an apocalyptic number.
It is an amenable number.
30958508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30958508 is a wasteful number, since it uses less digits than its factorization.
30958508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1105672 (or 1105670 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 38.
The square root of 30958508 is about 5564.0370236008. The cubic root of 30958508 is about 313.9978497966.
The spelling of 30958508 in words is "thirty million, nine hundred fifty-eight thousand, five hundred eight".
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