Base | Representation |
---|---|
bin | 1011111101010… |
… | …1100000111111 |
3 | 10111101021100001 |
4 | 2333111200333 |
5 | 100320021011 |
6 | 4551015131 |
7 | 1146222106 |
oct | 277254077 |
9 | 114337301 |
10 | 50157631 |
11 | 26349197 |
12 | 1496a4a7 |
13 | a512094 |
14 | 693903d |
15 | 460b7c1 |
hex | 2fd583f |
50157631 has 2 divisors, whose sum is σ = 50157632. Its totient is φ = 50157630.
The previous prime is 50157629. The next prime is 50157661. The reversal of 50157631 is 13675105.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 50157631 - 21 = 50157629 is a prime.
It is a super-2 number, since 2×501576312 = 5031575895064322, which contains 22 as substring.
Together with 50157629, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 50157631.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50157661) 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 as a sum of consecutive naturals, namely, 25078815 + 25078816.
It is an arithmetic number, because the mean of its divisors is an integer number (25078816).
Almost surely, 250157631 is an apocalyptic number.
50157631 is a deficient number, since it is larger than the sum of its proper divisors (1).
50157631 is an equidigital number, since it uses as much as digits as its factorization.
50157631 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 28.
The square root of 50157631 is about 7082.2052356593. The cubic root of 50157631 is about 368.7898887808.
The spelling of 50157631 in words is "fifty million, one hundred fifty-seven thousand, six hundred thirty-one".
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