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342449 is a prime number
BaseRepresentation
bin1010011100110110001
3122101202022
41103212301
541424244
611201225
72624252
oct1234661
9571668
10342449
11214318
12146215
13bcb43
148cb29
156b6ee
hex539b1

342449 has 2 divisors, whose sum is σ = 342450. Its totient is φ = 342448.

The previous prime is 342421. The next prime is 342451. The reversal of 342449 is 944243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207025 + 135424 = 455^2 + 368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-342449 is a prime.

Together with 342451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171224 + 171225.

It is an arithmetic number, because the mean of its divisors is an integer number (171225).

2342449 is an apocalyptic number.

It is an amenable number.

342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

342449 is an equidigital number, since it uses as much as digits as its factorization.

342449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 342449 is about 585.1914216733. The cubic root of 342449 is about 69.9624969178.

The spelling of 342449 in words is "three hundred forty-two thousand, four hundred forty-nine".