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244365389 is a prime number
BaseRepresentation
bin11101001000010…
…11100001001101
3122000211001021222
432210023201031
51000024143024
640125333125
76025033352
oct1644134115
9560731258
10244365389
11115a35374
1269a071a5
133b81bb08
1424650629
15166be85e
hexe90b84d

244365389 has 2 divisors, whose sum is σ = 244365390. Its totient is φ = 244365388.

The previous prime is 244365377. The next prime is 244365413. The reversal of 244365389 is 983563442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235868164 + 8497225 = 15358^2 + 2915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244365389 is a prime.

It is a super-2 number, since 2×2443653892 = 119428886682242642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244365349) 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, 122182694 + 122182695.

It is an arithmetic number, because the mean of its divisors is an integer number (122182695).

Almost surely, 2244365389 is an apocalyptic number.

It is an amenable number.

244365389 is a deficient number, since it is larger than the sum of its proper divisors (1).

244365389 is an equidigital number, since it uses as much as digits as its factorization.

244365389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The square root of 244365389 is about 15632.1907933597. The cubic root of 244365389 is about 625.1917397847.

The spelling of 244365389 in words is "two hundred forty-four million, three hundred sixty-five thousand, three hundred eighty-nine".