Base | Representation |
---|---|
bin | 111010011011… |
… | …0011110101010 |
3 | 2010122020222222 |
4 | 1310312132222 |
5 | 30320204400 |
6 | 3012314042 |
7 | 521236454 |
oct | 164663652 |
9 | 63566888 |
10 | 30631850 |
11 | 16322187 |
12 | a312922 |
13 | 6466772 |
14 | 40d52d4 |
15 | 2a51185 |
hex | 1d367aa |
30631850 has 12 divisors (see below), whose sum is σ = 56975334. Its totient is φ = 12252720.
The previous prime is 30631829. The next prime is 30631901. The reversal of 30631850 is 5813603.
It can be written as a sum of positive squares in 3 ways, for example, as 15832441 + 14799409 = 3979^2 + 3847^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306269 + ... + 306368.
Almost surely, 230631850 is an apocalyptic number.
30631850 is a deficient number, since it is larger than the sum of its proper divisors (26343484).
30631850 is a wasteful number, since it uses less digits than its factorization.
30631850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612649 (or 612644 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 30631850 is about 5534.6047736040. The cubic root of 30631850 is about 312.8895621704.
It can be divided in two parts, 3063 and 1850, that added together give a cube (4913 = 173).
The spelling of 30631850 in words is "thirty million, six hundred thirty-one thousand, eight hundred fifty".
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