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344021017 is a prime number
BaseRepresentation
bin10100100000010…
…101100000011001
3212222100002010011
4110200111200121
51201032133032
654045321521
711345062504
oct2440254031
9788302104
10344021017
1116721109a
12972662a1
1356371942
143399213b
1520307247
hex14815819

344021017 has 2 divisors, whose sum is σ = 344021018. Its totient is φ = 344021016.

The previous prime is 344021009. The next prime is 344021021. The reversal of 344021017 is 710120443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213627456 + 130393561 = 14616^2 + 11419^2 .

It is an emirp because it is prime and its reverse (710120443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344021017 - 23 = 344021009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344028017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172010508 + 172010509.

It is an arithmetic number, because the mean of its divisors is an integer number (172010509).

Almost surely, 2344021017 is an apocalyptic number.

It is an amenable number.

344021017 is a deficient number, since it is larger than the sum of its proper divisors (1).

344021017 is an equidigital number, since it uses as much as digits as its factorization.

344021017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 344021017 is about 18547.8035626863. The cubic root of 344021017 is about 700.6938813443.

The spelling of 344021017 in words is "three hundred forty-four million, twenty-one thousand, seventeen".