Base | Representation |
---|---|
bin | 111010010010… |
… | …1111010110010 |
3 | 2010111210221200 |
4 | 1310211322302 |
5 | 30311022033 |
6 | 3011032030 |
7 | 520534632 |
oct | 164457262 |
9 | 63453850 |
10 | 30564018 |
11 | 16286221 |
12 | a29b616 |
13 | 6441924 |
14 | 40b86c2 |
15 | 2a3b013 |
hex | 1d25eb2 |
30564018 has 12 divisors (see below), whose sum is σ = 66222078. Its totient is φ = 10188000.
The previous prime is 30564007. The next prime is 30564029. The reversal of 30564018 is 81046503.
30564018 is a `hidden beast` number, since 3 + 0 + 5 + 640 + 18 = 666.
It is an interprime number because it is at equal distance from previous prime (30564007) and next prime (30564029).
It can be written as a sum of positive squares in only one way, i.e., 29517489 + 1046529 = 5433^2 + 1023^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30563982 and 30564000.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 848983 + ... + 849018.
Almost surely, 230564018 is an apocalyptic number.
30564018 is an abundant number, since it is smaller than the sum of its proper divisors (35658060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30564018 is a wasteful number, since it uses less digits than its factorization.
30564018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1698009 (or 1698006 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 30564018 is about 5528.4733878350. The cubic root of 30564018 is about 312.6584344351.
The spelling of 30564018 in words is "thirty million, five hundred sixty-four thousand, eighteen".
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