Base | Representation |
---|---|
bin | 111001101010… |
… | …0010101101110 |
3 | 2002212211120211 |
4 | 1303110111232 |
5 | 30214323440 |
6 | 2555533034 |
7 | 514643506 |
oct | 163242556 |
9 | 62784524 |
10 | 30229870 |
11 | 16078170 |
12 | a15a17a |
13 | 63557c8 |
14 | 402ca06 |
15 | 29c1eea |
hex | 1cd456e |
30229870 has 16 divisors (see below), whose sum is σ = 59360688. Its totient is φ = 10992640.
The previous prime is 30229819. The next prime is 30229897. The reversal of 30229870 is 7892203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137299 + ... + 137518.
It is an arithmetic number, because the mean of its divisors is an integer number (3710043).
Almost surely, 230229870 is an apocalyptic number.
30229870 is a deficient number, since it is larger than the sum of its proper divisors (29130818).
30229870 is a wasteful number, since it uses less digits than its factorization.
30229870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274835.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 30229870 is about 5498.1696954532. The cubic root of 30229870 is about 311.5148538890.
The spelling of 30229870 in words is "thirty million, two hundred twenty-nine thousand, eight hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •