Search a number
-
+
344770609 is a prime number
BaseRepresentation
bin10100100011001…
…100100000110001
3220000202011100211
4110203030200301
51201230124414
654113344121
711354334061
oct2443144061
9800664324
10344770609
11167683297
1297568041
1356574ba1
1433b093a1
15204043c4
hex148cc831

344770609 has 2 divisors, whose sum is σ = 344770610. Its totient is φ = 344770608.

The previous prime is 344770579. The next prime is 344770619. The reversal of 344770609 is 906077443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236298384 + 108472225 = 15372^2 + 10415^2 .

It is an emirp because it is prime and its reverse (906077443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344770609 - 213 = 344762417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344770619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172385304 + 172385305.

It is an arithmetic number, because the mean of its divisors is an integer number (172385305).

Almost surely, 2344770609 is an apocalyptic number.

It is an amenable number.

344770609 is a deficient number, since it is larger than the sum of its proper divisors (1).

344770609 is an equidigital number, since it uses as much as digits as its factorization.

344770609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 344770609 is about 18567.9995960793. Note that the first 3 decimals coincide. The cubic root of 344770609 is about 701.2024292555.

The spelling of 344770609 in words is "three hundred forty-four million, seven hundred seventy thousand, six hundred nine".