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13049189 is a prime number
BaseRepresentation
bin110001110001…
…110101100101
3220112222010022
4301301311211
511320033224
61143404525
7215626166
oct61616545
926488108
1013049189
11740305a
124453745
13291b71a
141a3976d
15122b65e
hexc71d65

13049189 has 2 divisors, whose sum is σ = 13049190. Its totient is φ = 13049188.

The previous prime is 13049147. The next prime is 13049203. The reversal of 13049189 is 98194031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 588289 = 3530^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 13049189 - 220 = 12000613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13049129) 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, 6524594 + 6524595.

It is an arithmetic number, because the mean of its divisors is an integer number (6524595).

Almost surely, 213049189 is an apocalyptic number.

It is an amenable number.

13049189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13049189 is an equidigital number, since it uses as much as digits as its factorization.

13049189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 13049189 is about 3612.3661220867. The cubic root of 13049189 is about 235.4296591084.

The spelling of 13049189 in words is "thirteen million, forty-nine thousand, one hundred eighty-nine".