Base | Representation |
---|---|
bin | 111010111111… |
… | …1010100011000 |
3 | 2011012102020222 |
4 | 1311333110120 |
5 | 30404231300 |
6 | 3022535212 |
7 | 523621340 |
oct | 165772430 |
9 | 64172228 |
10 | 30930200 |
11 | 16506354 |
12 | a437508 |
13 | 653c4c2 |
14 | 4171d20 |
15 | 2aae785 |
hex | 1d7f518 |
30930200 has 48 divisors (see below), whose sum is σ = 82189680. Its totient is φ = 10604160.
The previous prime is 30930143. The next prime is 30930203. The reversal of 30930200 is 203903.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30930203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9647 + ... + 12446.
It is an arithmetic number, because the mean of its divisors is an integer number (1712285).
Almost surely, 230930200 is an apocalyptic number.
It is an amenable number.
30930200 is an abundant number, since it is smaller than the sum of its proper divisors (51259480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30930200 is a wasteful number, since it uses less digits than its factorization.
30930200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22116 (or 22107 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 30930200 is about 5561.4926054073. The cubic root of 30930200 is about 313.9021156210.
The spelling of 30930200 in words is "thirty million, nine hundred thirty thousand, two hundred".
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