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13944529 is a prime number
BaseRepresentation
bin110101001100…
…011011010001
3222020110022001
4311030123101
512032211104
61214514001
7226345414
oct65143321
928213261
1013944529
117964805
124805901
132b73101
141bcdb7b
151356aa4
hexd4c6d1

13944529 has 2 divisors, whose sum is σ = 13944530. Its totient is φ = 13944528.

The previous prime is 13944521. The next prime is 13944569. The reversal of 13944529 is 92544931.

13944529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8294400 + 5650129 = 2880^2 + 2377^2 .

It is an emirp because it is prime and its reverse (92544931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13944529 - 23 = 13944521 is a prime.

It is not a weakly prime, because it can be changed into another prime (13944521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6972264 + 6972265.

It is an arithmetic number, because the mean of its divisors is an integer number (6972265).

Almost surely, 213944529 is an apocalyptic number.

It is an amenable number.

13944529 is a deficient number, since it is larger than the sum of its proper divisors (1).

13944529 is an equidigital number, since it uses as much as digits as its factorization.

13944529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 13944529 is about 3734.2374054149. The cubic root of 13944529 is about 240.6954884064.

The spelling of 13944529 in words is "thirteen million, nine hundred forty-four thousand, five hundred twenty-nine".