Base | Representation |
---|---|
bin | 1011111110110… |
… | …1110110110011 |
3 | 10111120100002122 |
4 | 2333231312303 |
5 | 100331213311 |
6 | 4553104455 |
7 | 1150115555 |
oct | 277556663 |
9 | 114510078 |
10 | 50257331 |
11 | 26407093 |
12 | 149b812b |
13 | a548587 |
14 | 69634d5 |
15 | 462b0db |
hex | 2feddb3 |
50257331 has 2 divisors, whose sum is σ = 50257332. Its totient is φ = 50257330.
The previous prime is 50257313. The next prime is 50257357. The reversal of 50257331 is 13375205.
Together with previous prime (50257313) it forms an Ormiston pair, because they use the same digits, order apart.
It is an a-pointer prime, because the next prime (50257357) can be obtained adding 50257331 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 50257331 - 210 = 50256307 is a prime.
It is a super-2 number, since 2×502573312 = 5051598638487122, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 50257331.
It is not a weakly prime, because it can be changed into another prime (50257391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25128665 + 25128666.
It is an arithmetic number, because the mean of its divisors is an integer number (25128666).
Almost surely, 250257331 is an apocalyptic number.
50257331 is a deficient number, since it is larger than the sum of its proper divisors (1).
50257331 is an equidigital number, since it uses as much as digits as its factorization.
50257331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3150, while the sum is 26.
The square root of 50257331 is about 7089.2405093917. The cubic root of 50257331 is about 369.0340790542.
The spelling of 50257331 in words is "fifty million, two hundred fifty-seven thousand, three hundred thirty-one".
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