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349949 is a prime number
BaseRepresentation
bin1010101011011111101
3122210001002
41111123331
542144244
611300045
72655155
oct1253375
9583032
10349949
11219a16
1214a625
13c3392
1491765
156da4e
hex556fd

349949 has 2 divisors, whose sum is σ = 349950. Its totient is φ = 349948.

The previous prime is 349939. The next prime is 349963. The reversal of 349949 is 949943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 1849 = 590^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 349949 - 24 = 349933 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 (349919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174974 + 174975.

It is an arithmetic number, because the mean of its divisors is an integer number (174975).

2349949 is an apocalyptic number.

It is an amenable number.

349949 is a deficient number, since it is larger than the sum of its proper divisors (1).

349949 is an equidigital number, since it uses as much as digits as its factorization.

349949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 349949 is about 591.5648738727. The cubic root of 349949 is about 70.4695641807.

The spelling of 349949 in words is "three hundred forty-nine thousand, nine hundred forty-nine".