Search a number
-
+
379979 is a prime number
BaseRepresentation
bin1011100110001001011
3201022020022
41130301023
544124404
612051055
73141545
oct1346113
9638208
10379979
1123a536
12163a8b
13103c52
149c695
15778be
hex5cc4b

379979 has 2 divisors, whose sum is σ = 379980. Its totient is φ = 379978.

The previous prime is 379963. The next prime is 379993. The reversal of 379979 is 979973.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 379979 - 24 = 379963 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (379909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189989 + 189990.

It is an arithmetic number, because the mean of its divisors is an integer number (189990).

2379979 is an apocalyptic number.

379979 is a deficient number, since it is larger than the sum of its proper divisors (1).

379979 is an equidigital number, since it uses as much as digits as its factorization.

379979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107163, while the sum is 44.

The square root of 379979 is about 616.4243668123. The cubic root of 379979 is about 72.4302301442.

The spelling of 379979 in words is "three hundred seventy-nine thousand, nine hundred seventy-nine".