Base | Representation |
---|---|
bin | 111010001011… |
… | …1011001111000 |
3 | 2010101210101211 |
4 | 1310113121320 |
5 | 30302121233 |
6 | 3005452504 |
7 | 520166413 |
oct | 164273170 |
9 | 63353354 |
10 | 30504568 |
11 | 16245596 |
12 | a271134 |
13 | 6420853 |
14 | 40a0b7a |
15 | 2a285cd |
hex | 1d17678 |
30504568 has 16 divisors (see below), whose sum is σ = 57264480. Its totient is φ = 15234048.
The previous prime is 30504503. The next prime is 30504569. The reversal of 30504568 is 86540503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30504569) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7096 + ... + 10552.
It is an arithmetic number, because the mean of its divisors is an integer number (3579030).
Almost surely, 230504568 is an apocalyptic number.
It is an amenable number.
30504568 is a deficient number, since it is larger than the sum of its proper divisors (26759912).
30504568 is a wasteful number, since it uses less digits than its factorization.
30504568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4566 (or 4562 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 30504568 is about 5523.0940603977. The cubic root of 30504568 is about 312.4555857946.
The spelling of 30504568 in words is "thirty million, five hundred four thousand, five hundred sixty-eight".
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