Base | Representation |
---|---|
bin | 111010010000… |
… | …1011011001100 |
3 | 2010110212200222 |
4 | 1310201123030 |
5 | 30304424422 |
6 | 3010410512 |
7 | 520430156 |
oct | 164413314 |
9 | 63425628 |
10 | 30545612 |
11 | 16273409 |
12 | a290a38 |
13 | 6436436 |
14 | 40b1ad6 |
15 | 2a35842 |
hex | 1d216cc |
30545612 has 6 divisors (see below), whose sum is σ = 53454828. Its totient is φ = 15272804.
The previous prime is 30545569. The next prime is 30545677. The reversal of 30545612 is 21654503.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818198 + ... + 3818205.
It is an arithmetic number, because the mean of its divisors is an integer number (8909138).
Almost surely, 230545612 is an apocalyptic number.
It is an amenable number.
30545612 is a deficient number, since it is larger than the sum of its proper divisors (22909216).
30545612 is a wasteful number, since it uses less digits than its factorization.
30545612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7636407 (or 7636405 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 30545612 is about 5526.8084822979. The cubic root of 30545612 is about 312.5956596745.
The spelling of 30545612 in words is "thirty million, five hundred forty-five thousand, six hundred twelve".
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