Base | Representation |
---|---|
bin | 111010110110… |
… | …1001111110110 |
3 | 2011001122201120 |
4 | 1311231033312 |
5 | 30344344212 |
6 | 3021204410 |
7 | 523162500 |
oct | 165551766 |
9 | 64048646 |
10 | 30856182 |
11 | 16465785 |
12 | a400706 |
13 | 65148c6 |
14 | 4152d70 |
15 | 2a9788c |
hex | 1d6d3f6 |
30856182 has 24 divisors (see below), whose sum is σ = 71788536. Its totient is φ = 8815968.
The previous prime is 30856169. The next prime is 30856201. The reversal of 30856182 is 28165803.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52183 + ... + 52770.
It is an arithmetic number, because the mean of its divisors is an integer number (2991189).
Almost surely, 230856182 is an apocalyptic number.
30856182 is an abundant number, since it is smaller than the sum of its proper divisors (40932354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30856182 is a wasteful number, since it uses less digits than its factorization.
30856182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104972 (or 104965 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 30856182 is about 5554.8341109344. The cubic root of 30856182 is about 313.6515194906.
The spelling of 30856182 in words is "thirty million, eight hundred fifty-six thousand, one hundred eighty-two".
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