Base | Representation |
---|---|
bin | 111001111010… |
… | …1011011010001 |
3 | 2010010201111012 |
4 | 1303311123101 |
5 | 30233143033 |
6 | 3002500305 |
7 | 516046562 |
oct | 163653321 |
9 | 63121435 |
10 | 30365393 |
11 | 1615aa73 |
12 | a204695 |
13 | 63a23b6 |
14 | 4066169 |
15 | 29ec248 |
hex | 1cf56d1 |
30365393 has 2 divisors, whose sum is σ = 30365394. Its totient is φ = 30365392.
The previous prime is 30365369. The next prime is 30365411. The reversal of 30365393 is 39356303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22202944 + 8162449 = 4712^2 + 2857^2 .
It is a cyclic number.
It is not a de Polignac number, because 30365393 - 214 = 30349009 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30365303) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15182696 + 15182697.
It is an arithmetic number, because the mean of its divisors is an integer number (15182697).
Almost surely, 230365393 is an apocalyptic number.
It is an amenable number.
30365393 is a deficient number, since it is larger than the sum of its proper divisors (1).
30365393 is an equidigital number, since it uses as much as digits as its factorization.
30365393 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21870, while the sum is 32.
The square root of 30365393 is about 5510.4802875974. The cubic root of 30365393 is about 311.9796755608.
The spelling of 30365393 in words is "thirty million, three hundred sixty-five thousand, three hundred ninety-three".
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