Base | Representation |
---|---|
bin | 111001101010… |
… | …1010110011101 |
3 | 2002220001021021 |
4 | 1303111112131 |
5 | 30214442023 |
6 | 3000004141 |
7 | 514661545 |
oct | 163252635 |
9 | 62801237 |
10 | 30234013 |
11 | 16080297 |
12 | a160651 |
13 | 6357664 |
14 | 4030325 |
15 | 29c335d |
hex | 1cd559d |
30234013 has 2 divisors, whose sum is σ = 30234014. Its totient is φ = 30234012.
The previous prime is 30233993. The next prime is 30234023. The reversal of 30234013 is 31043203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23406244 + 6827769 = 4838^2 + 2613^2 .
It is a cyclic number.
It is not a de Polignac number, because 30234013 - 25 = 30233981 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30234023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15117006 + 15117007.
It is an arithmetic number, because the mean of its divisors is an integer number (15117007).
Almost surely, 230234013 is an apocalyptic number.
It is an amenable number.
30234013 is a deficient number, since it is larger than the sum of its proper divisors (1).
30234013 is an equidigital number, since it uses as much as digits as its factorization.
30234013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30234013 is about 5498.5464442887. The cubic root of 30234013 is about 311.5290842632.
Adding to 30234013 its reverse (31043203), we get a palindrome (61277216).
The spelling of 30234013 in words is "thirty million, two hundred thirty-four thousand, thirteen".
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