Base | Representation |
---|---|
bin | 111001011110… |
… | …0100000001000 |
3 | 2002200212122121 |
4 | 1302330200020 |
5 | 30203212412 |
6 | 2553501024 |
7 | 514056034 |
oct | 162744010 |
9 | 62625577 |
10 | 30132232 |
11 | 16010879 |
12 | a111774 |
13 | 6320230 |
14 | 40051c4 |
15 | 29a3107 |
hex | 1cbc808 |
30132232 has 16 divisors (see below), whose sum is σ = 60844140. Its totient is φ = 13907136.
The previous prime is 30132209. The next prime is 30132251. The reversal of 30132232 is 23223103.
It can be written as a sum of positive squares in 2 ways, for example, as 29311396 + 820836 = 5414^2 + 906^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144763 + ... + 144970.
Almost surely, 230132232 is an apocalyptic number.
It is an amenable number.
30132232 is an abundant number, since it is smaller than the sum of its proper divisors (30711908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30132232 is a wasteful number, since it uses less digits than its factorization.
30132232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289752 (or 289748 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30132232 is about 5489.2833776368. The cubic root of 30132232 is about 311.1791098909.
Adding to 30132232 its reverse (23223103), we get a palindrome (53355335).
The spelling of 30132232 in words is "thirty million, one hundred thirty-two thousand, two hundred thirty-two".
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