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244515149 is a prime number
BaseRepresentation
bin11101001001100…
…00000101001101
3122001002122201122
432210300011031
51000043441044
640132450325
76026226104
oct1644600515
9561078648
10244515149
1111602793a
1269a799a5
133b872028
142468d03b
15166eddee
hexe93014d

244515149 has 2 divisors, whose sum is σ = 244515150. Its totient is φ = 244515148.

The previous prime is 244515127. The next prime is 244515169. The reversal of 244515149 is 941515442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227557225 + 16957924 = 15085^2 + 4118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244515149 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244515169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122257574 + 122257575.

It is an arithmetic number, because the mean of its divisors is an integer number (122257575).

Almost surely, 2244515149 is an apocalyptic number.

It is an amenable number.

244515149 is a deficient number, since it is larger than the sum of its proper divisors (1).

244515149 is an equidigital number, since it uses as much as digits as its factorization.

244515149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 244515149 is about 15636.9801752129. The cubic root of 244515149 is about 625.3194305281.

The spelling of 244515149 in words is "two hundred forty-four million, five hundred fifteen thousand, one hundred forty-nine".