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13464389 is a prime number
BaseRepresentation
bin110011010111…
…001101000101
3221100001200002
4303113031011
511421330024
61200331045
7222305531
oct63271505
927301602
1013464389
117666aa4
124613a85
132a356c3
141b06bc1
1512ae6ae
hexcd7345

13464389 has 2 divisors, whose sum is σ = 13464390. Its totient is φ = 13464388.

The previous prime is 13464383. The next prime is 13464397. The reversal of 13464389 is 98346431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7656289 + 5808100 = 2767^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 13464389 - 220 = 12415813 is a prime.

It is a super-2 number, since 2×134643892 = 362579542286642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13464383) 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, 6732194 + 6732195.

It is an arithmetic number, because the mean of its divisors is an integer number (6732195).

Almost surely, 213464389 is an apocalyptic number.

It is an amenable number.

13464389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13464389 is an equidigital number, since it uses as much as digits as its factorization.

13464389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 13464389 is about 3669.3853708762. The cubic root of 13464389 is about 237.9006069922.

The spelling of 13464389 in words is "thirteen million, four hundred sixty-four thousand, three hundred eighty-nine".