Base | Representation |
---|---|
bin | 111001111111… |
… | …0111000011100 |
3 | 2010012200121200 |
4 | 1303332320130 |
5 | 30240412444 |
6 | 3003355500 |
7 | 516300522 |
oct | 163767034 |
9 | 63180550 |
10 | 30404124 |
11 | 16187083 |
12 | a222b90 |
13 | 63b6c0a |
14 | 4076312 |
15 | 2a08969 |
hex | 1cfee1c |
30404124 has 36 divisors (see below), whose sum is σ = 78733200. Its totient is φ = 9887040.
The previous prime is 30404111. The next prime is 30404167. The reversal of 30404124 is 42140403.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30404097 and 30404106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8824 + ... + 11775.
Almost surely, 230404124 is an apocalyptic number.
It is an amenable number.
30404124 is an abundant number, since it is smaller than the sum of its proper divisors (48329076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30404124 is a wasteful number, since it uses less digits than its factorization.
30404124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20650 (or 20645 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 30404124 is about 5513.9934711604. The cubic root of 30404124 is about 312.1122623628.
Adding to 30404124 its reverse (42140403), we get a palindrome (72544527).
The spelling of 30404124 in words is "thirty million, four hundred four thousand, one hundred twenty-four".
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