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479879 is a prime number
BaseRepresentation
bin1110101001010000111
3220101021022
41311022013
5110324004
614141355
74036031
oct1651207
9811238
10479879
112a85a4
121b185b
1313a56a
14c6c51
15972be
hex75287

479879 has 2 divisors, whose sum is σ = 479880. Its totient is φ = 479878.

The previous prime is 479861. The next prime is 479881. The reversal of 479879 is 978974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479879 - 28 = 479623 is a prime.

It is a Sophie Germain prime.

Together with 479881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239939 + 239940.

It is an arithmetic number, because the mean of its divisors is an integer number (239940).

2479879 is an apocalyptic number.

479879 is a deficient number, since it is larger than the sum of its proper divisors (1).

479879 is an equidigital number, since it uses as much as digits as its factorization.

479879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 479879 is about 692.7329932954. The cubic root of 479879 is about 78.2907731179.

The spelling of 479879 in words is "four hundred seventy-nine thousand, eight hundred seventy-nine".