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13442441 is a prime number
BaseRepresentation
bin110011010001…
…110110001001
3221021221120012
4303101312021
511420124231
61200041305
7222154535
oct63216611
927257505
1013442441
117651561
124603235
132a2870c
141adcbc5
1512a7e2b
hexcd1d89

13442441 has 2 divisors, whose sum is σ = 13442442. Its totient is φ = 13442440.

The previous prime is 13442417. The next prime is 13442449. The reversal of 13442441 is 14424431.

It is a happy number.

13442441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 511225 = 3596^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442441 - 214 = 13426057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13442449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721220 + 6721221.

It is an arithmetic number, because the mean of its divisors is an integer number (6721221).

Almost surely, 213442441 is an apocalyptic number.

It is an amenable number.

13442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442441 is an equidigital number, since it uses as much as digits as its factorization.

13442441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 23.

The square root of 13442441 is about 3666.3934595185. The cubic root of 13442441 is about 237.7712712010.

Adding to 13442441 its reverse (14424431), we get a palindrome (27866872).

The spelling of 13442441 in words is "thirteen million, four hundred forty-two thousand, four hundred forty-one".