Base | Representation |
---|---|
bin | 111001101100… |
… | …1011000100000 |
3 | 2002220212220221 |
4 | 1303121120200 |
5 | 30221004103 |
6 | 3000212424 |
7 | 515060650 |
oct | 163313040 |
9 | 62825827 |
10 | 30250528 |
11 | 16091740 |
12 | a16a114 |
13 | 6362029 |
14 | 4036360 |
15 | 29c81bd |
hex | 1cd9620 |
30250528 has 48 divisors (see below), whose sum is σ = 74257344. Its totient is φ = 11784960.
The previous prime is 30250499. The next prime is 30250529. The reversal of 30250528 is 82505203.
It is not an unprimeable number, because it can be changed into a prime (30250529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675 + ... + 8602.
It is an arithmetic number, because the mean of its divisors is an integer number (1547028).
Almost surely, 230250528 is an apocalyptic number.
It is an amenable number.
30250528 is an abundant number, since it is smaller than the sum of its proper divisors (44006816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30250528 is a wasteful number, since it uses less digits than its factorization.
30250528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12305 (or 12297 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 30250528 is about 5500.0479997905. The cubic root of 30250528 is about 311.5857970602.
The spelling of 30250528 in words is "thirty million, two hundred fifty thousand, five hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •