Base | Representation |
---|---|
bin | 111010001110… |
… | …0100111001110 |
3 | 2010102212122222 |
4 | 1310130213032 |
5 | 30303312102 |
6 | 3010135342 |
7 | 520315541 |
oct | 164344716 |
9 | 63385588 |
10 | 30525902 |
11 | 1625a620 |
12 | a281552 |
13 | 642a484 |
14 | 40a8858 |
15 | 2a2eaa2 |
hex | 1d1c9ce |
30525902 has 16 divisors (see below), whose sum is σ = 50036400. Its totient is φ = 13851840.
The previous prime is 30525883. The next prime is 30525907. The reversal of 30525902 is 20952503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30525907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24224 + ... + 25452.
It is an arithmetic number, because the mean of its divisors is an integer number (3127275).
Almost surely, 230525902 is an apocalyptic number.
30525902 is a deficient number, since it is larger than the sum of its proper divisors (19510498).
30525902 is a wasteful number, since it uses less digits than its factorization.
30525902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2371.
The product of its (nonzero) digits is 2700, while the sum is 26.
The square root of 30525902 is about 5525.0250678164. The cubic root of 30525902 is about 312.5284095772.
The spelling of 30525902 in words is "thirty million, five hundred twenty-five thousand, nine hundred two".
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