Base | Representation |
---|---|
bin | 1100000111000… |
… | …0001111001001 |
3 | 10112120110122211 |
4 | 3001300033021 |
5 | 101000310434 |
6 | 5012345121 |
7 | 1154501536 |
oct | 301601711 |
9 | 115513584 |
10 | 50791369 |
11 | 26741342 |
12 | 150151a1 |
13 | a6a4685 |
14 | 6a61d8d |
15 | 46d4464 |
hex | 30703c9 |
50791369 has 2 divisors, whose sum is σ = 50791370. Its totient is φ = 50791368.
The previous prime is 50791309. The next prime is 50791379. The reversal of 50791369 is 96319705.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 49070025 + 1721344 = 7005^2 + 1312^2 .
It is a cyclic number.
It is not a de Polignac number, because 50791369 - 27 = 50791241 is a prime.
It is a super-2 number, since 2×507913692 = 5159526329788322, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (50791309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25395684 + 25395685.
It is an arithmetic number, because the mean of its divisors is an integer number (25395685).
Almost surely, 250791369 is an apocalyptic number.
It is an amenable number.
50791369 is a deficient number, since it is larger than the sum of its proper divisors (1).
50791369 is an equidigital number, since it uses as much as digits as its factorization.
50791369 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 51030, while the sum is 40.
The square root of 50791369 is about 7126.8063675113. The cubic root of 50791369 is about 370.3366038385.
The spelling of 50791369 in words is "fifty million, seven hundred ninety-one thousand, three hundred sixty-nine".
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