Base | Representation |
---|---|
bin | 1011111111100… |
… | …1100001101011 |
3 | 10111122202200000 |
4 | 2333321201223 |
5 | 100334231011 |
6 | 4554114043 |
7 | 1150405122 |
oct | 277714153 |
9 | 114582600 |
10 | 50305131 |
11 | 26439a98 |
12 | 14a1b923 |
13 | a564266 |
14 | 6976ab9 |
15 | 463a356 |
hex | 2ff986b |
50305131 has 12 divisors (see below), whose sum is σ = 75354552. Its totient is φ = 33536592.
The previous prime is 50305121. The next prime is 50305187. The reversal of 50305131 is 13150305.
It is a happy number.
It is not a de Polignac number, because 50305131 - 215 = 50272363 is a prime.
It is a super-2 number, since 2×503051312 = 5061212409854322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50305121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103266 + ... + 103751.
It is an arithmetic number, because the mean of its divisors is an integer number (6279546).
Almost surely, 250305131 is an apocalyptic number.
50305131 is a deficient number, since it is larger than the sum of its proper divisors (25049421).
50305131 is an equidigital number, since it uses as much as digits as its factorization.
50305131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207032 (or 207020 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 18.
The square root of 50305131 is about 7092.6110142880. The cubic root of 50305131 is about 369.1510387040.
Adding to 50305131 its reverse (13150305), we get a palindrome (63455436).
The spelling of 50305131 in words is "fifty million, three hundred five thousand, one hundred thirty-one".
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