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16964393 is a prime number
BaseRepresentation
bin100000010110…
…1101100101001
31011220212202212
41000231230221
513320330033
61403334505
7264123605
oct100555451
934825685
1016964393
119637666
125821435
13368c804
142378505
151751748
hex102db29

16964393 has 2 divisors, whose sum is σ = 16964394. Its totient is φ = 16964392.

The previous prime is 16964383. The next prime is 16964443. The reversal of 16964393 is 39346961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14115049 + 2849344 = 3757^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 16964393 - 210 = 16963369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16964393.

It is not a weakly prime, because it can be changed into another prime (16964303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8482196 + 8482197.

It is an arithmetic number, because the mean of its divisors is an integer number (8482197).

Almost surely, 216964393 is an apocalyptic number.

It is an amenable number.

16964393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16964393 is an equidigital number, since it uses as much as digits as its factorization.

16964393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 16964393 is about 4118.7853792107. The cubic root of 16964393 is about 256.9485127520.

The spelling of 16964393 in words is "sixteen million, nine hundred sixty-four thousand, three hundred ninety-three".