Base | Representation |
---|---|
bin | 111001011111… |
… | …1011011101000 |
3 | 2002201111010001 |
4 | 1302333123220 |
5 | 30204103412 |
6 | 2554032344 |
7 | 514136026 |
oct | 162773350 |
9 | 62644101 |
10 | 30144232 |
11 | 16019898 |
12 | a1186b4 |
13 | 6325831 |
14 | 4009716 |
15 | 29a6957 |
hex | 1cbf6e8 |
30144232 has 16 divisors (see below), whose sum is σ = 56628000. Its totient is φ = 15043440.
The previous prime is 30144229. The next prime is 30144239. The reversal of 30144232 is 23244103.
It is not an unprimeable number, because it can be changed into a prime (30144239) 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, 1269 + ... + 7867.
It is an arithmetic number, because the mean of its divisors is an integer number (3539250).
Almost surely, 230144232 is an apocalyptic number.
It is an amenable number.
30144232 is a deficient number, since it is larger than the sum of its proper divisors (26483768).
30144232 is a wasteful number, since it uses less digits than its factorization.
30144232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7176 (or 7172 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30144232 is about 5490.3763076860. The cubic root of 30144232 is about 311.2204128798.
Adding to 30144232 its reverse (23244103), we get a palindrome (53388335).
The spelling of 30144232 in words is "thirty million, one hundred forty-four thousand, two hundred thirty-two".
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