Base | Representation |
---|---|
bin | 1011111111101… |
… | …1100100001001 |
3 | 10111200012010021 |
4 | 2333323210021 |
5 | 100340012411 |
6 | 4554220441 |
7 | 1150441351 |
oct | 277734411 |
9 | 114605107 |
10 | 50313481 |
11 | 26445299 |
12 | 14a24721 |
13 | a567cba |
14 | 6979b61 |
15 | 463ca71 |
hex | 2ffb909 |
50313481 has 2 divisors, whose sum is σ = 50313482. Its totient is φ = 50313480.
The previous prime is 50313479. The next prime is 50313503. The reversal of 50313481 is 18431305.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41409225 + 8904256 = 6435^2 + 2984^2 .
It is a cyclic number.
It is not a de Polignac number, because 50313481 - 21 = 50313479 is a prime.
It is a super-2 number, since 2×503134812 = 5062892740674722, which contains 22 as substring.
Together with 50313479, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (50313401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25156740 + 25156741.
It is an arithmetic number, because the mean of its divisors is an integer number (25156741).
Almost surely, 250313481 is an apocalyptic number.
It is an amenable number.
50313481 is a deficient number, since it is larger than the sum of its proper divisors (1).
50313481 is an equidigital number, since it uses as much as digits as its factorization.
50313481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 50313481 is about 7093.1996306321. The cubic root of 50313481 is about 369.1714623372.
Adding to 50313481 its reverse (18431305), we get a palindrome (68744786).
The spelling of 50313481 in words is "fifty million, three hundred thirteen thousand, four hundred eighty-one".
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