Base | Representation |
---|---|
bin | 111010001110… |
… | …0100010101100 |
3 | 2010102212021020 |
4 | 1310130202230 |
5 | 30303304422 |
6 | 3010134140 |
7 | 520314645 |
oct | 164344254 |
9 | 63385236 |
10 | 30525612 |
11 | 1625a387 |
12 | a281350 |
13 | 642a2c0 |
14 | 40a86cc |
15 | 2a2e95c |
hex | 1d1c8ac |
30525612 has 24 divisors (see below), whose sum is σ = 76705776. Its totient is φ = 9392448.
The previous prime is 30525587. The next prime is 30525613. The reversal of 30525612 is 21652503.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30525613) 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, 97683 + ... + 97994.
It is an arithmetic number, because the mean of its divisors is an integer number (3196074).
Almost surely, 230525612 is an apocalyptic number.
It is an amenable number.
30525612 is an abundant number, since it is smaller than the sum of its proper divisors (46180164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30525612 is a wasteful number, since it uses less digits than its factorization.
30525612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195697 (or 195695 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 30525612 is about 5524.9988235293. The cubic root of 30525612 is about 312.5274198873.
The spelling of 30525612 in words is "thirty million, five hundred twenty-five thousand, six hundred twelve".
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