Base | Representation |
---|---|
bin | 111001111111… |
… | …0111000010001 |
3 | 2010012200121021 |
4 | 1303332320101 |
5 | 30240412423 |
6 | 3003355441 |
7 | 516300505 |
oct | 163767021 |
9 | 63180537 |
10 | 30404113 |
11 | 16187073 |
12 | a222b81 |
13 | 63b6bcc |
14 | 4076305 |
15 | 2a0895d |
hex | 1cfee11 |
30404113 has 4 divisors (see below), whose sum is σ = 30415588. Its totient is φ = 30392640.
The previous prime is 30404111. The next prime is 30404167. The reversal of 30404113 is 31140403.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 30283009 = 348^2 + 5503^2 .
It is a cyclic number.
It is not a de Polignac number, because 30404113 - 21 = 30404111 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30404111) 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, 493 + ... + 7813.
It is an arithmetic number, because the mean of its divisors is an integer number (7603897).
Almost surely, 230404113 is an apocalyptic number.
It is an amenable number.
30404113 is a deficient number, since it is larger than the sum of its proper divisors (11475).
30404113 is an equidigital number, since it uses as much as digits as its factorization.
30404113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11474.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 30404113 is about 5513.9924736982. The cubic root of 30404113 is about 312.1122247228.
Adding to 30404113 its reverse (31140403), we get a palindrome (61544516).
The spelling of 30404113 in words is "thirty million, four hundred four thousand, one hundred thirteen".
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