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392269 is a prime number
BaseRepresentation
bin1011111110001001101
3201221002111
41133301031
5100023034
612224021
73222433
oct1376115
9657074
10392269
11248799
1216b011
13109717
14a2d53
157b364
hex5fc4d

392269 has 2 divisors, whose sum is σ = 392270. Its totient is φ = 392268.

The previous prime is 392267. The next prime is 392279. The reversal of 392269 is 962293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 26244 = 605^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 392269 - 21 = 392267 is a prime.

It is a super-2 number, since 2×3922692 = 307749936722, which contains 22 as substring.

Together with 392267, it forms a pair of twin primes.

392269 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 392269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196134 + 196135.

It is an arithmetic number, because the mean of its divisors is an integer number (196135).

2392269 is an apocalyptic number.

It is an amenable number.

392269 is a deficient number, since it is larger than the sum of its proper divisors (1).

392269 is an equidigital number, since it uses as much as digits as its factorization.

392269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 392269 is about 626.3138191035. The cubic root of 392269 is about 73.2028510739.

The spelling of 392269 in words is "three hundred ninety-two thousand, two hundred sixty-nine".