Base | Representation |
---|---|
bin | 111001101010… |
… | …0100101010010 |
3 | 2002212212221201 |
4 | 1303110211102 |
5 | 30214341431 |
6 | 2555541414 |
7 | 514646431 |
oct | 163244522 |
9 | 62785851 |
10 | 30230866 |
11 | 16078996 |
12 | a15a86a |
13 | 63560b3 |
14 | 402d118 |
15 | 29c2461 |
hex | 1cd4952 |
30230866 has 4 divisors (see below), whose sum is σ = 45346302. Its totient is φ = 15115432.
The previous prime is 30230839. The next prime is 30230873. The reversal of 30230866 is 66803203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66803203 = 107 ⋅624329.
It can be written as a sum of positive squares in only one way, i.e., 23804641 + 6426225 = 4879^2 + 2535^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557715 + ... + 7557718.
Almost surely, 230230866 is an apocalyptic number.
30230866 is a deficient number, since it is larger than the sum of its proper divisors (15115436).
30230866 is a wasteful number, since it uses less digits than its factorization.
30230866 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15115435.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 30230866 is about 5498.2602703037. The cubic root of 30230866 is about 311.5182750680.
The spelling of 30230866 in words is "thirty million, two hundred thirty thousand, eight hundred sixty-six".
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