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379391 is a prime number
BaseRepresentation
bin1011100100111111111
3201021102112
41130213333
544120031
612044235
73140045
oct1344777
9637375
10379391
1123a051
1216367b
131038bc
149c395
157762b
hex5c9ff

379391 has 2 divisors, whose sum is σ = 379392. Its totient is φ = 379390.

The previous prime is 379387. The next prime is 379397. The reversal of 379391 is 193973.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 379391 - 22 = 379387 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189695 + 189696.

It is an arithmetic number, because the mean of its divisors is an integer number (189696).

2379391 is an apocalyptic number.

379391 is a deficient number, since it is larger than the sum of its proper divisors (1).

379391 is an equidigital number, since it uses as much as digits as its factorization.

379391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103, while the sum is 32.

The square root of 379391 is about 615.9472380001. The cubic root of 379391 is about 72.3928500413.

The spelling of 379391 in words is "three hundred seventy-nine thousand, three hundred ninety-one".