Base | Representation |
---|---|
bin | 111001011110… |
… | …0011111110100 |
3 | 2002200212121212 |
4 | 1302330133310 |
5 | 30203212322 |
6 | 2553500552 |
7 | 514056005 |
oct | 162743764 |
9 | 62625555 |
10 | 30132212 |
11 | 16010860 |
12 | a111758 |
13 | 6320216 |
14 | 40051ac |
15 | 29a30e2 |
hex | 1cbc7f4 |
30132212 has 24 divisors (see below), whose sum is σ = 58931712. Its totient is φ = 13361600.
The previous prime is 30132209. The next prime is 30132251. The reversal of 30132212 is 21223103.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6548 + ... + 10155.
It is an arithmetic number, because the mean of its divisors is an integer number (2455488).
Almost surely, 230132212 is an apocalyptic number.
It is an amenable number.
30132212 is a deficient number, since it is larger than the sum of its proper divisors (28799500).
30132212 is a wasteful number, since it uses less digits than its factorization.
30132212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16759 (or 16757 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 30132212 is about 5489.2815559051. The cubic root of 30132212 is about 311.1790410435.
Adding to 30132212 its reverse (21223103), we get a palindrome (51355315).
It can be divided in two parts, 3013 and 2212, that added together give a palindrome (5225).
The spelling of 30132212 in words is "thirty million, one hundred thirty-two thousand, two hundred twelve".
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