Base | Representation |
---|---|
bin | 111011000100… |
… | …0100001111100 |
3 | 2011021100000110 |
4 | 1312020201330 |
5 | 30411433212 |
6 | 3023430020 |
7 | 524136342 |
oct | 166104174 |
9 | 64240013 |
10 | 30967932 |
11 | 16531736 |
12 | a455310 |
13 | 6553728 |
14 | 4181992 |
15 | 2abaa3c |
hex | 1d8887c |
30967932 has 12 divisors (see below), whose sum is σ = 72258536. Its totient is φ = 10322640.
The previous prime is 30967919. The next prime is 30967933. The reversal of 30967932 is 23976903.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30967933) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290319 + ... + 1290342.
Almost surely, 230967932 is an apocalyptic number.
It is an amenable number.
30967932 is an abundant number, since it is smaller than the sum of its proper divisors (41290604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30967932 is a wasteful number, since it uses less digits than its factorization.
30967932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2580668 (or 2580666 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 39.
The square root of 30967932 is about 5564.8838262807. The cubic root of 30967932 is about 314.0297076576.
The spelling of 30967932 in words is "thirty million, nine hundred sixty-seven thousand, nine hundred thirty-two".
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