Base | Representation |
---|---|
bin | 111010101111… |
… | …0000111001100 |
3 | 2010221111200111 |
4 | 1311132013030 |
5 | 30340403223 |
6 | 3020005404 |
7 | 522513655 |
oct | 165360714 |
9 | 63844614 |
10 | 30794188 |
11 | 16423147 |
12 | a390864 |
13 | 64c2619 |
14 | 413852c |
15 | 2a8430d |
hex | 1d5e1cc |
30794188 has 6 divisors (see below), whose sum is σ = 53889836. Its totient is φ = 15397092.
The previous prime is 30794177. The next prime is 30794189. The reversal of 30794188 is 88149703.
It is a self number, because there is not a number n which added to its sum of digits gives 30794188.
It is not an unprimeable number, because it can be changed into a prime (30794189) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849270 + ... + 3849277.
Almost surely, 230794188 is an apocalyptic number.
It is an amenable number.
30794188 is a deficient number, since it is larger than the sum of its proper divisors (23095648).
30794188 is a wasteful number, since it uses less digits than its factorization.
30794188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7698551 (or 7698549 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 30794188 is about 5549.2511206468. The cubic root of 30794188 is about 313.4413233726.
The spelling of 30794188 in words is "thirty million, seven hundred ninety-four thousand, one hundred eighty-eight".
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