Base | Representation |
---|---|
bin | 111001111111… |
… | …0110111001011 |
3 | 2010012200111200 |
4 | 1303332313023 |
5 | 30240412133 |
6 | 3003355243 |
7 | 516300345 |
oct | 163766713 |
9 | 63180450 |
10 | 30404043 |
11 | 1618700a |
12 | a222b23 |
13 | 63b6b77 |
14 | 4076295 |
15 | 2a08913 |
hex | 1cfedcb |
30404043 has 12 divisors (see below), whose sum is σ = 44116800. Its totient is φ = 20177136.
The previous prime is 30404039. The next prime is 30404063. The reversal of 30404043 is 34040403.
It is not a de Polignac number, because 30404043 - 22 = 30404039 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30404063) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5568 + ... + 9581.
It is an arithmetic number, because the mean of its divisors is an integer number (3676400).
Almost surely, 230404043 is an apocalyptic number.
30404043 is a deficient number, since it is larger than the sum of its proper divisors (13712757).
30404043 is a wasteful number, since it uses less digits than its factorization.
30404043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15378 (or 15375 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 30404043 is about 5513.9861262067. The cubic root of 30404043 is about 312.1119851952. Note that the first 3 decimals are identical.
Adding to 30404043 its reverse (34040403), we get a palindrome (64444446).
The spelling of 30404043 in words is "thirty million, four hundred four thousand, forty-three".
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