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13444317 = 321493813
BaseRepresentation
bin110011010010…
…010011011101
3221022001010200
4303102103131
511420204232
61200054113
7222163155
oct63222335
927261120
1013444317
117652a07
124604339
132a29523
141add765
1512a877c
hexcd24dd

13444317 has 6 divisors (see below), whose sum is σ = 19419582. Its totient is φ = 8962872.

The previous prime is 13444307. The next prime is 13444367. The reversal of 13444317 is 71344431.

13444317 is a `hidden beast` number, since 1 + 344 + 4 + 317 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 4761 = 3666^2 + 69^2 .

It is not a de Polignac number, because 13444317 - 26 = 13444253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746898 + ... + 746915.

It is an arithmetic number, because the mean of its divisors is an integer number (3236597).

Almost surely, 213444317 is an apocalyptic number.

It is an amenable number.

13444317 is a deficient number, since it is larger than the sum of its proper divisors (5975265).

13444317 is a wasteful number, since it uses less digits than its factorization.

13444317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493819 (or 1493816 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 13444317 is about 3666.6492878376. The cubic root of 13444317 is about 237.7823316464.

Adding to 13444317 its reverse (71344431), we get a palindrome (84788748).

The spelling of 13444317 in words is "thirteen million, four hundred forty-four thousand, three hundred seventeen".

Divisors: 1 3 9 1493813 4481439 13444317