Base | Representation |
---|---|
bin | 111001011011… |
… | …0011111101100 |
3 | 2002122121220100 |
4 | 1302312133230 |
5 | 30201421003 |
6 | 2553151100 |
7 | 513624225 |
oct | 162663754 |
9 | 62577810 |
10 | 30107628 |
11 | 15aa4341 |
12 | a0bb490 |
13 | 6311c85 |
14 | 3dda24c |
15 | 299aba3 |
hex | 1cb67ec |
30107628 has 36 divisors (see below), whose sum is σ = 80112760. Its totient is φ = 9507456.
The previous prime is 30107591. The next prime is 30107633. The reversal of 30107628 is 82670103.
30107628 is a `hidden beast` number, since 30 + 1 + 0 + 7 + 628 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21325 + ... + 22692.
Almost surely, 230107628 is an apocalyptic number.
30107628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
30107628 is an abundant number, since it is smaller than the sum of its proper divisors (50005132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30107628 is a wasteful number, since it uses less digits than its factorization.
30107628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44046 (or 44041 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 30107628 is about 5487.0418259751. The cubic root of 30107628 is about 311.0943906925.
The spelling of 30107628 in words is "thirty million, one hundred seven thousand, six hundred twenty-eight".
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