Base | Representation |
---|---|
bin | 111001001111… |
… | …0101101001100 |
3 | 2002110200020110 |
4 | 1302132231030 |
5 | 30140311223 |
6 | 2551120020 |
7 | 513040155 |
oct | 162365514 |
9 | 62420213 |
10 | 30010188 |
11 | 15a3810a |
12 | a073010 |
13 | 62a9810 |
14 | 3db292c |
15 | 297bd93 |
hex | 1c9eb4c |
30010188 has 24 divisors (see below), whose sum is σ = 75410608. Its totient is φ = 9233856.
The previous prime is 30010163. The next prime is 30010199. The reversal of 30010188 is 88101003.
It is a happy number.
It is a super-2 number, since 2×300101882 = 1801222767590688, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96031 + ... + 96342.
Almost surely, 230010188 is an apocalyptic number.
It is an amenable number.
30010188 is an abundant number, since it is smaller than the sum of its proper divisors (45400420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30010188 is a wasteful number, since it uses less digits than its factorization.
30010188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192393 (or 192391 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 30010188 is about 5478.1555290079. The cubic root of 30010188 is about 310.7584204864.
The spelling of 30010188 in words is "thirty million, ten thousand, one hundred eighty-eight".
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