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13024409 is a prime number
BaseRepresentation
bin110001101011…
…110010011001
3220111201010112
4301223302121
511313240114
61143054105
7215464016
oct61536231
926451115
1013024409
117396482
124441335
132910368
141a3070d
15122413e
hexc6bc99

13024409 has 2 divisors, whose sum is σ = 13024410. Its totient is φ = 13024408.

The previous prime is 13024391. The next prime is 13024469. The reversal of 13024409 is 90442031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 265225 = 3572^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 13024409 - 28 = 13024153 is a prime.

It is a super-4 number, since 4×130244094 (a number of 30 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13024469) 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, 6512204 + 6512205.

It is an arithmetic number, because the mean of its divisors is an integer number (6512205).

Almost surely, 213024409 is an apocalyptic number.

It is an amenable number.

13024409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13024409 is an equidigital number, since it uses as much as digits as its factorization.

13024409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13024409 is about 3608.9346073322. The cubic root of 13024409 is about 235.2805401687.

The spelling of 13024409 in words is "thirteen million, twenty-four thousand, four hundred nine".