Search a number
50969 is a prime number
BaseRepresentation
bin1100011100011001
32120220202
430130121
53112334
61031545
7301412
oct143431
976822
1050969
1135326
12255b5
131a279
1414809
151017e
hexc719

50969 has 2 divisors, whose sum is σ = 50970. Its totient is φ = 50968.

The previous prime is 50957. The next prime is 50971. The reversal of 50969 is 96905.

50969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35344 + 15625 = 188^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50969 is a prime.

It is a super-2 number, since 2×509692 = 5195677922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 50971, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25484 + 25485.

It is an arithmetic number, because the mean of its divisors is an integer number (25485).

250969 is an apocalyptic number.

It is an amenable number.

50969 is a deficient number, since it is larger than the sum of its proper divisors (1).

50969 is an equidigital number, since it uses as much as digits as its factorization.

50969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 50969 is about 225.7631502261. The cubic root of 50969 is about 37.0767823578.

The spelling of 50969 in words is "fifty thousand, nine hundred sixty-nine".