Base | Representation |
---|---|
bin | 111010011110… |
… | …1011111011000 |
3 | 2010200201101121 |
4 | 1310331133120 |
5 | 30322114233 |
6 | 3013055024 |
7 | 521416261 |
oct | 164753730 |
9 | 63621347 |
10 | 30660568 |
11 | 16341814 |
12 | a327474 |
13 | 6476863 |
14 | 4101968 |
15 | 2a5992d |
hex | 1d3d7d8 |
30660568 has 16 divisors (see below), whose sum is σ = 59042880. Its totient is φ = 14915808.
The previous prime is 30660563. The next prime is 30660577. The reversal of 30660568 is 86506603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30660563) 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, 51496 + ... + 52087.
It is an arithmetic number, because the mean of its divisors is an integer number (3690180).
Almost surely, 230660568 is an apocalyptic number.
It is an amenable number.
30660568 is a deficient number, since it is larger than the sum of its proper divisors (28382312).
30660568 is a wasteful number, since it uses less digits than its factorization.
30660568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103626 (or 103622 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 34.
The square root of 30660568 is about 5537.1985696740. The cubic root of 30660568 is about 312.9873117987.
The spelling of 30660568 in words is "thirty million, six hundred sixty thousand, five hundred sixty-eight".
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