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13442417 is a prime number
BaseRepresentation
bin110011010001…
…110101110001
3221021221112022
4303101311301
511420124132
61200041225
7222154502
oct63216561
927257468
1013442417
11765153a
124603215
132a286c1
141adcba9
1512a7e12
hexcd1d71

13442417 has 2 divisors, whose sum is σ = 13442418. Its totient is φ = 13442416.

The previous prime is 13442381. The next prime is 13442441. The reversal of 13442417 is 71424431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 3701776 = 3121^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442417 - 28 = 13442161 is a prime.

It is not a weakly prime, because it can be changed into another prime (13442467) 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 as a sum of consecutive naturals, namely, 6721208 + 6721209.

It is an arithmetic number, because the mean of its divisors is an integer number (6721209).

Almost surely, 213442417 is an apocalyptic number.

It is an amenable number.

13442417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442417 is an equidigital number, since it uses as much as digits as its factorization.

13442417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 13442417 is about 3666.3901865459. The cubic root of 13442417 is about 237.7711296961.

Adding to 13442417 its reverse (71424431), we get a palindrome (84866848).

The spelling of 13442417 in words is "thirteen million, four hundred forty-two thousand, four hundred seventeen".