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344430239 is a prime number
BaseRepresentation
bin10100100001111…
…001011010011111
3220000002212110112
4110201321122133
51201133231424
654102200235
711351415536
oct2441713237
9800085415
10344430239
1116747059a
129742307b
1356485c9a
1433a5b31d
152038860e
hex1487969f

344430239 has 2 divisors, whose sum is σ = 344430240. Its totient is φ = 344430238.

The previous prime is 344430209. The next prime is 344430257. The reversal of 344430239 is 932034443.

It is a strong prime.

It is an emirp because it is prime and its reverse (932034443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344430239 - 28 = 344429983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344430209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172215119 + 172215120.

It is an arithmetic number, because the mean of its divisors is an integer number (172215120).

Almost surely, 2344430239 is an apocalyptic number.

344430239 is a deficient number, since it is larger than the sum of its proper divisors (1).

344430239 is an equidigital number, since it uses as much as digits as its factorization.

344430239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 344430239 is about 18558.8318328498. The cubic root of 344430239 is about 700.9716024890.

The spelling of 344430239 in words is "three hundred forty-four million, four hundred thirty thousand, two hundred thirty-nine".