Base | Representation |
---|---|
bin | 111011000100… |
… | …0100101100011 |
3 | 2011021100100000 |
4 | 1312020211203 |
5 | 30411440123 |
6 | 3023431043 |
7 | 524140122 |
oct | 166104543 |
9 | 64240300 |
10 | 30968163 |
11 | 16531926 |
12 | a455483 |
13 | 6553875 |
14 | 4181ab9 |
15 | 2abab43 |
hex | 1d88963 |
30968163 has 24 divisors (see below), whose sum is σ = 47896576. Its totient is φ = 19974600.
The previous prime is 30968153. The next prime is 30968177. The reversal of 30968163 is 36186903.
It is a happy number.
It is not a de Polignac number, because 30968163 - 25 = 30968131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30968153) 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, 5478 + ... + 9588.
Almost surely, 230968163 is an apocalyptic number.
30968163 is a deficient number, since it is larger than the sum of its proper divisors (16928413).
30968163 is an equidigital number, since it uses as much as digits as its factorization.
30968163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4157 (or 4145 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 30968163 is about 5564.9045813922. The cubic root of 30968163 is about 314.0304884726.
The spelling of 30968163 in words is "thirty million, nine hundred sixty-eight thousand, one hundred sixty-three".
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