Base | Representation |
---|---|
bin | 111001111110… |
… | …0010100001100 |
3 | 2010012011012100 |
4 | 1303330110030 |
5 | 30240043422 |
6 | 3003235100 |
7 | 516225054 |
oct | 163742414 |
9 | 63164170 |
10 | 30393612 |
11 | 1617a197 |
12 | a218a90 |
13 | 63b21b2 |
14 | 4072564 |
15 | 2a057ac |
hex | 1cfc50c |
30393612 has 36 divisors (see below), whose sum is σ = 77981176. Its totient is φ = 9979200.
The previous prime is 30393611. The next prime is 30393617. The reversal of 30393612 is 21639303.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (30393611) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 3889 + ... + 8712.
Almost surely, 230393612 is an apocalyptic number.
It is an amenable number.
30393612 is an abundant number, since it is smaller than the sum of its proper divisors (47587564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30393612 is a wasteful number, since it uses less digits than its factorization.
30393612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12678 (or 12673 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 27.
The square root of 30393612 is about 5513.0401776153. The cubic root of 30393612 is about 312.0762880512.
The spelling of 30393612 in words is "thirty million, three hundred ninety-three thousand, six hundred twelve".
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