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44399449 is a prime number
BaseRepresentation
bin1010100101011…
…1101101011001
310002112201121001
42221113231121
542331240244
64223345001
71046250313
oct251275531
9102481531
1044399449
1123075a66
1212a52161
139277183
145c7a7b3
153d705d4
hex2a57b59

44399449 has 2 divisors, whose sum is σ = 44399450. Its totient is φ = 44399448.

The previous prime is 44399423. The next prime is 44399477. The reversal of 44399449 is 94499344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43983424 + 416025 = 6632^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 44399449 - 25 = 44399417 is a prime.

It is a super-2 number, since 2×443994492 = 3942622143007202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44399399 and 44399408.

It is not a weakly prime, because it can be changed into another prime (44399479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199724 + 22199725.

It is an arithmetic number, because the mean of its divisors is an integer number (22199725).

Almost surely, 244399449 is an apocalyptic number.

It is an amenable number.

44399449 is a deficient number, since it is larger than the sum of its proper divisors (1).

44399449 is an equidigital number, since it uses as much as digits as its factorization.

44399449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 44399449 is about 6663.2911537768. The cubic root of 44399449 is about 354.0999457120.

The spelling of 44399449 in words is "forty-four million, three hundred ninety-nine thousand, four hundred forty-nine".