Base | Representation |
---|---|
bin | 111010011101… |
… | …1000111001001 |
3 | 2010200020000202 |
4 | 1310323013021 |
5 | 30321311300 |
6 | 3012541545 |
7 | 521346002 |
oct | 164730711 |
9 | 63606022 |
10 | 30650825 |
11 | 16335467 |
12 | a3218b5 |
13 | 64722aa |
14 | 40dc1a9 |
15 | 2a56ad5 |
hex | 1d3b1c9 |
30650825 has 24 divisors (see below), whose sum is σ = 39967680. Its totient is φ = 23284800.
The previous prime is 30650803. The next prime is 30650827. The reversal of 30650825 is 52805603.
It is not a de Polignac number, because 30650825 - 26 = 30650761 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is not an unprimeable number, because it can be changed into a prime (30650827) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48260 + ... + 48890.
It is an arithmetic number, because the mean of its divisors is an integer number (1665320).
Almost surely, 230650825 is an apocalyptic number.
It is an amenable number.
30650825 is a deficient number, since it is larger than the sum of its proper divisors (9316855).
30650825 is a wasteful number, since it uses less digits than its factorization.
30650825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 737 (or 732 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 30650825 is about 5536.3187227615. The cubic root of 30650825 is about 312.9541556567.
The spelling of 30650825 in words is "thirty million, six hundred fifty thousand, eight hundred twenty-five".
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