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320239 is a prime number
BaseRepresentation
bin1001110001011101111
3121021021201
41032023233
540221424
610510331
72502433
oct1161357
9537251
10320239
111a9667
121353a7
13b29ba
14849c3
1564d44
hex4e2ef

320239 has 2 divisors, whose sum is σ = 320240. Its totient is φ = 320238.

The previous prime is 320237. The next prime is 320267. The reversal of 320239 is 932023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320239 - 21 = 320237 is a prime.

Together with 320237, it forms a pair of twin primes.

It is a Chen prime.

320239 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160119 + 160120.

It is an arithmetic number, because the mean of its divisors is an integer number (160120).

2320239 is an apocalyptic number.

320239 is a deficient number, since it is larger than the sum of its proper divisors (1).

320239 is an equidigital number, since it uses as much as digits as its factorization.

320239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 320239 is about 565.8966336708. The cubic root of 320239 is about 68.4160621399.

The spelling of 320239 in words is "three hundred twenty thousand, two hundred thirty-nine".