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13955593 is a prime number
BaseRepresentation
bin110101001111…
…001000001001
3222021000110211
4311033020021
512033034333
61215041121
7226422601
oct65171011
928230424
1013955593
117972053
1248101a1
132b78162
141bd3c01
151359ecd
hexd4f209

13955593 has 2 divisors, whose sum is σ = 13955594. Its totient is φ = 13955592.

The previous prime is 13955581. The next prime is 13955603. The reversal of 13955593 is 39555931.

13955593 is digitally balanced in base 3, 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., 13860729 + 94864 = 3723^2 + 308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13955593 is a prime.

It is not a weakly prime, because it can be changed into another prime (13955393) 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, 6977796 + 6977797.

It is an arithmetic number, because the mean of its divisors is an integer number (6977797).

Almost surely, 213955593 is an apocalyptic number.

It is an amenable number.

13955593 is a deficient number, since it is larger than the sum of its proper divisors (1).

13955593 is an equidigital number, since it uses as much as digits as its factorization.

13955593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91125, while the sum is 40.

The square root of 13955593 is about 3735.7185386482. The cubic root of 13955593 is about 240.7591298741.

The spelling of 13955593 in words is "thirteen million, nine hundred fifty-five thousand, five hundred ninety-three".