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1444109 is a prime number
BaseRepresentation
bin101100000100100001101
32201100221112
411200210031
5332202414
650541405
715163142
oct5404415
92640845
101444109
118a6a87
12597865
133b7404
142983c9
151d7d3e
hex16090d

1444109 has 2 divisors, whose sum is σ = 1444110. Its totient is φ = 1444108.

The previous prime is 1444103. The next prime is 1444111. The reversal of 1444109 is 9014441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 299209 = 1070^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444109 - 220 = 395533 is a prime.

Together with 1444111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722054 + 722055.

It is an arithmetic number, because the mean of its divisors is an integer number (722055).

21444109 is an apocalyptic number.

It is an amenable number.

1444109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444109 is an equidigital number, since it uses as much as digits as its factorization.

1444109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1444109 is about 1201.7108637272. The cubic root of 1444109 is about 113.0316302714.

The spelling of 1444109 in words is "one million, four hundred forty-four thousand, one hundred nine".