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50317979 is a prime number
BaseRepresentation
bin1011111111110…
…0101010011011
310111200102021212
42333330222123
5100340133404
64554253335
71150460435
oct277745233
9114612255
1050317979
1126448708
1214a2724b
13a56a06a
14697b655
15463e06e
hex2ffca9b

50317979 has 2 divisors, whose sum is σ = 50317980. Its totient is φ = 50317978.

The previous prime is 50317963. The next prime is 50318027. The reversal of 50317979 is 97971305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50317979 - 24 = 50317963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (50317919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25158989 + 25158990.

It is an arithmetic number, because the mean of its divisors is an integer number (25158990).

Almost surely, 250317979 is an apocalyptic number.

50317979 is a deficient number, since it is larger than the sum of its proper divisors (1).

50317979 is an equidigital number, since it uses as much as digits as its factorization.

50317979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 50317979 is about 7093.5166877932. The cubic root of 50317979 is about 369.1824632573.

The spelling of 50317979 in words is "fifty million, three hundred seventeen thousand, nine hundred seventy-nine".