Base | Representation |
---|---|
bin | 111010110011… |
… | …1100011111101 |
3 | 2011000110210000 |
4 | 1311213203331 |
5 | 30343123033 |
6 | 3020504513 |
7 | 523034550 |
oct | 165474375 |
9 | 64013700 |
10 | 30832893 |
11 | 1644a233 |
12 | a3ab139 |
13 | 6507120 |
14 | 4148697 |
15 | 2a90a13 |
hex | 1d678fd |
30832893 has 80 divisors (see below), whose sum is σ = 58544640. Its totient is φ = 15738624.
The previous prime is 30832891. The next prime is 30832897. The reversal of 30832893 is 39823803.
It is not a de Polignac number, because 30832893 - 21 = 30832891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30832891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 346393 + ... + 346481.
It is an arithmetic number, because the mean of its divisors is an integer number (731808).
Almost surely, 230832893 is an apocalyptic number.
It is an amenable number.
30832893 is a deficient number, since it is larger than the sum of its proper divisors (27711747).
30832893 is a wasteful number, since it uses less digits than its factorization.
30832893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 30832893 is about 5552.7374330145. The cubic root of 30832893 is about 313.5725891296.
The spelling of 30832893 in words is "thirty million, eight hundred thirty-two thousand, eight hundred ninety-three".
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