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380879 is a prime number
BaseRepresentation
bin1011100111111001111
3201100110122
41130333033
544142004
612055155
73144302
oct1347717
9640418
10380879
11240184
121644bb
13104495
149cb39
1577cbe
hex5cfcf

380879 has 2 divisors, whose sum is σ = 380880. Its totient is φ = 380878.

The previous prime is 380869. The next prime is 380881. The reversal of 380879 is 978083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380879 - 28 = 380623 is a prime.

Together with 380881, 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 (380819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190439 + 190440.

It is an arithmetic number, because the mean of its divisors is an integer number (190440).

2380879 is an apocalyptic number.

380879 is a deficient number, since it is larger than the sum of its proper divisors (1).

380879 is an equidigital number, since it uses as much as digits as its factorization.

380879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 380879 is about 617.1539516199. The cubic root of 380879 is about 72.4873699759.

The spelling of 380879 in words is "three hundred eighty thousand, eight hundred seventy-nine".