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313879 is a prime number
BaseRepresentation
bin1001100101000010111
3120221120011
41030220113
540021004
610421051
72445046
oct1145027
9527504
10313879
111a4905
12131787
13acb37
148255d
1563004
hex4ca17

313879 has 2 divisors, whose sum is σ = 313880. Its totient is φ = 313878.

The previous prime is 313853. The next prime is 313883. The reversal of 313879 is 978313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313879 is a prime.

313879 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 313879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156939 + 156940.

It is an arithmetic number, because the mean of its divisors is an integer number (156940).

2313879 is an apocalyptic number.

313879 is a deficient number, since it is larger than the sum of its proper divisors (1).

313879 is an equidigital number, since it uses as much as digits as its factorization.

313879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 313879 is about 560.2490517618. The cubic root of 313879 is about 67.9601121317.

The spelling of 313879 in words is "three hundred thirteen thousand, eight hundred seventy-nine".