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11444749 is a prime number
BaseRepresentation
bin101011101010…
…001000001101
3210112110020121
4223222020031
510412212444
61045144541
7166164421
oct53521015
923473217
1011444749
116507678
1239bb151
1324a9354
14173cb81
151011084
hexaea20d

11444749 has 2 divisors, whose sum is σ = 11444750. Its totient is φ = 11444748.

The previous prime is 11444737. The next prime is 11444773. The reversal of 11444749 is 94744411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9498724 + 1946025 = 3082^2 + 1395^2 .

It is an emirp because it is prime and its reverse (94744411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11444749 - 25 = 11444717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11444779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722374 + 5722375.

It is an arithmetic number, because the mean of its divisors is an integer number (5722375).

Almost surely, 211444749 is an apocalyptic number.

It is an amenable number.

11444749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11444749 is an equidigital number, since it uses as much as digits as its factorization.

11444749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 11444749 is about 3383.0088678571. The cubic root of 11444749 is about 225.3558090528.

The spelling of 11444749 in words is "eleven million, four hundred forty-four thousand, seven hundred forty-nine".