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13827469 is a prime number
BaseRepresentation
bin110100101111…
…110110001101
3222000111201111
4310233312031
512014434334
61212212021
7225350215
oct64576615
928014644
1013827469
117894867
12476a011
132b31a46
141b9d245
151332064
hexd2fd8d

13827469 has 2 divisors, whose sum is σ = 13827470. Its totient is φ = 13827468.

The previous prime is 13827431. The next prime is 13827487. The reversal of 13827469 is 96472831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13801225 + 26244 = 3715^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 13827469 - 221 = 11730317 is a prime.

It is a super-2 number, since 2×138274692 = 382397797891922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13827169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6913734 + 6913735.

It is an arithmetic number, because the mean of its divisors is an integer number (6913735).

Almost surely, 213827469 is an apocalyptic number.

It is an amenable number.

13827469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13827469 is an equidigital number, since it uses as much as digits as its factorization.

13827469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 13827469 is about 3718.5304893197. The cubic root of 13827469 is about 240.0200735525.

The spelling of 13827469 in words is "thirteen million, eight hundred twenty-seven thousand, four hundred sixty-nine".