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344420911 is a prime number
BaseRepresentation
bin10100100001110…
…111001000101111
3220000002101200001
4110201313020233
51201132432121
654102045131
711351346412
oct2441671057
9800071601
10344420911
1116746458a
12974197a7
1356481973
1433a57b79
1520385991
hex1487722f

344420911 has 2 divisors, whose sum is σ = 344420912. Its totient is φ = 344420910.

The previous prime is 344420899. The next prime is 344420939. The reversal of 344420911 is 119024443.

It is an a-pointer prime, because the next prime (344420939) can be obtained adding 344420911 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (119024443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344420911 - 221 = 342323759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344420911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344420611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172210455 + 172210456.

It is an arithmetic number, because the mean of its divisors is an integer number (172210456).

Almost surely, 2344420911 is an apocalyptic number.

344420911 is a deficient number, since it is larger than the sum of its proper divisors (1).

344420911 is an equidigital number, since it uses as much as digits as its factorization.

344420911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 344420911 is about 18558.5805222274. The cubic root of 344420911 is about 700.9652744324.

The spelling of 344420911 in words is "three hundred forty-four million, four hundred twenty thousand, nine hundred eleven".