Base | Representation |
---|---|
bin | 111010001110… |
… | …0011000000010 |
3 | 2010102211022222 |
4 | 1310130120002 |
5 | 30303244210 |
6 | 3010131042 |
7 | 520312652 |
oct | 164343002 |
9 | 63384288 |
10 | 30524930 |
11 | 16259917 |
12 | a280a82 |
13 | 6429bb7 |
14 | 40a8362 |
15 | 2a2e655 |
hex | 1d1c602 |
30524930 has 16 divisors (see below), whose sum is σ = 55513080. Its totient is φ = 12083712.
The previous prime is 30524929. The next prime is 30524939. The reversal of 30524930 is 3942503.
It can be written as a sum of positive squares in 4 ways, for example, as 23454649 + 7070281 = 4843^2 + 2659^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30524930.
It is not an unprimeable number, because it can be changed into a prime (30524939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14765 + ... + 16704.
Almost surely, 230524930 is an apocalyptic number.
30524930 is a deficient number, since it is larger than the sum of its proper divisors (24988150).
30524930 is a wasteful number, since it uses less digits than its factorization.
30524930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31573.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 30524930 is about 5524.9371037144. The cubic root of 30524930 is about 312.5250923851.
The spelling of 30524930 in words is "thirty million, five hundred twenty-four thousand, nine hundred thirty".
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