Base | Representation |
---|---|
bin | 111010011110… |
… | …1011100111100 |
3 | 2010200201011211 |
4 | 1310331130330 |
5 | 30322113122 |
6 | 3013054204 |
7 | 521415646 |
oct | 164753474 |
9 | 63621154 |
10 | 30660412 |
11 | 16341692 |
12 | a327364 |
13 | 6476773 |
14 | 4101896 |
15 | 2a59877 |
hex | 1d3d73c |
30660412 has 12 divisors (see below), whose sum is σ = 54565560. Its totient is φ = 15070256.
The previous prime is 30660407. The next prime is 30660431. The reversal of 30660412 is 21406603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64723 + ... + 65194.
It is an arithmetic number, because the mean of its divisors is an integer number (4547130).
Almost surely, 230660412 is an apocalyptic number.
It is an amenable number.
30660412 is a deficient number, since it is larger than the sum of its proper divisors (23905148).
30660412 is a wasteful number, since it uses less digits than its factorization.
30660412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129980 (or 129978 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30660412 is about 5537.1844831105. The cubic root of 30660412 is about 312.9867809747.
The spelling of 30660412 in words is "thirty million, six hundred sixty thousand, four hundred twelve".
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