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244340069 is a prime number
BaseRepresentation
bin11101001000001…
…01010101100101
3122000202202120012
432210011111211
51000022340234
640125020005
76024566501
oct1644052545
9560682505
10244340069
11115a18346
12699b4605
133b81042c
1424645301
15166b70ce
hexe905565

244340069 has 2 divisors, whose sum is σ = 244340070. Its totient is φ = 244340068.

The previous prime is 244340059. The next prime is 244340071. The reversal of 244340069 is 960043442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180579844 + 63760225 = 13438^2 + 7985^2 .

It is a cyclic number.

It is not a de Polignac number, because 244340069 - 28 = 244339813 is a prime.

It is a super-2 number, since 2×2443400692 = 119404138637849522, which contains 22 as substring.

Together with 244340071, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p13386218 and since 244340069 and 13386218 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244340009) 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, 122170034 + 122170035.

It is an arithmetic number, because the mean of its divisors is an integer number (122170035).

Almost surely, 2244340069 is an apocalyptic number.

It is an amenable number.

244340069 is a deficient number, since it is larger than the sum of its proper divisors (1).

244340069 is an equidigital number, since it uses as much as digits as its factorization.

244340069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 244340069 is about 15631.3809050896. The cubic root of 244340069 is about 625.1701458897.

The spelling of 244340069 in words is "two hundred forty-four million, three hundred forty thousand, sixty-nine".