Base | Representation |
---|---|
bin | 111001111000… |
… | …0010111000100 |
3 | 2010002200000201 |
4 | 1303300113010 |
5 | 30232012034 |
6 | 3002220244 |
7 | 515632231 |
oct | 163602704 |
9 | 63080021 |
10 | 30344644 |
11 | 16146420 |
12 | a1b4684 |
13 | 6395b15 |
14 | 405c788 |
15 | 29e6014 |
hex | 1cf05c4 |
30344644 has 24 divisors (see below), whose sum is σ = 58917600. Its totient is φ = 13558080.
The previous prime is 30344623. The next prime is 30344647. The reversal of 30344644 is 44644303.
It is not an unprimeable number, because it can be changed into a prime (30344647) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249 + ... + 8440.
It is an arithmetic number, because the mean of its divisors is an integer number (2454900).
Almost surely, 230344644 is an apocalyptic number.
It is an amenable number.
30344644 is a deficient number, since it is larger than the sum of its proper divisors (28572956).
30344644 is a wasteful number, since it uses less digits than its factorization.
30344644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11763 (or 11761 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 28.
The square root of 30344644 is about 5508.5972806151. The cubic root of 30344644 is about 311.9085996788.
Adding to 30344644 its reverse (44644303), we get a palindrome (74988947).
The spelling of 30344644 in words is "thirty million, three hundred forty-four thousand, six hundred forty-four".
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