Base | Representation |
---|---|
bin | 111001001111… |
… | …1001101101100 |
3 | 2002110210002111 |
4 | 1302133031230 |
5 | 30140343033 |
6 | 2551133404 |
7 | 513046216 |
oct | 162371554 |
9 | 62423074 |
10 | 30012268 |
11 | 15a39730 |
12 | a074264 |
13 | 62aa750 |
14 | 3db35b6 |
15 | 297c7cd |
hex | 1c9f36c |
30012268 has 48 divisors (see below), whose sum is σ = 62657280. Its totient is φ = 12398400.
The previous prime is 30012239. The next prime is 30012289. The reversal of 30012268 is 86221003.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40243 + ... + 40981.
It is an arithmetic number, because the mean of its divisors is an integer number (1305360).
Almost surely, 230012268 is an apocalyptic number.
It is an amenable number.
30012268 is an abundant number, since it is smaller than the sum of its proper divisors (32645012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30012268 is a wasteful number, since it uses less digits than its factorization.
30012268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 838 (or 836 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 30012268 is about 5478.3453706388. The cubic root of 30012268 is about 310.7655998548.
The spelling of 30012268 in words is "thirty million, twelve thousand, two hundred sixty-eight".
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