Base | Representation |
---|---|
bin | 111010100110… |
… | …1010011001101 |
3 | 2010211000020000 |
4 | 1311031103031 |
5 | 30331202300 |
6 | 3014314513 |
7 | 522106131 |
oct | 165152315 |
9 | 63730200 |
10 | 30725325 |
11 | 16386434 |
12 | a358a39 |
13 | 649a187 |
14 | 411b3c1 |
15 | 2a6dc00 |
hex | 1d4d4cd |
30725325 has 30 divisors (see below), whose sum is σ = 56917674. Its totient is φ = 16385760.
The previous prime is 30725291. The next prime is 30725333. The reversal of 30725325 is 52352703.
It can be written as a sum of positive squares in 3 ways, for example, as 7193124 + 23532201 = 2682^2 + 4851^2 .
It is not a de Polignac number, because 30725325 - 27 = 30725197 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5562 + ... + 9611.
Almost surely, 230725325 is an apocalyptic number.
It is an amenable number.
30725325 is a deficient number, since it is larger than the sum of its proper divisors (26192349).
30725325 is a wasteful number, since it uses less digits than its factorization.
30725325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15195 (or 15181 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 27.
The square root of 30725325 is about 5543.0429368714. The cubic root of 30725325 is about 313.2075063159.
The spelling of 30725325 in words is "thirty million, seven hundred twenty-five thousand, three hundred twenty-five".
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