Base | Representation |
---|---|
bin | 111010110111… |
… | …1001000111110 |
3 | 2011002001100200 |
4 | 1311233020332 |
5 | 30400121214 |
6 | 3021304330 |
7 | 523224213 |
oct | 165571076 |
9 | 64061320 |
10 | 30863934 |
11 | 16470592 |
12 | a4050a6 |
13 | 65182aa |
14 | 4155b0a |
15 | 2a99d09 |
hex | 1d6f23e |
30863934 has 12 divisors (see below), whose sum is σ = 66871896. Its totient is φ = 10287972.
The previous prime is 30863929. The next prime is 30864017. The reversal of 30863934 is 43936803.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
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, 857314 + ... + 857349.
It is an arithmetic number, because the mean of its divisors is an integer number (5572658).
Almost surely, 230863934 is an apocalyptic number.
30863934 is an abundant number, since it is smaller than the sum of its proper divisors (36007962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30863934 is a wasteful number, since it uses less digits than its factorization.
30863934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1714671 (or 1714668 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
The square root of 30863934 is about 5555.5318377271. The cubic root of 30863934 is about 313.6777835198.
The spelling of 30863934 in words is "thirty million, eight hundred sixty-three thousand, nine hundred thirty-four".
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