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13685053 is a prime number
BaseRepresentation
bin110100001101…
…000100111101
3221202021100211
4310031010331
512000410203
61205152421
7224215054
oct64150475
927667324
1013685053
1177a7868
1246bb711
132ab1c85
141b6339b
151304c6d
hexd0d13d

13685053 has 2 divisors, whose sum is σ = 13685054. Its totient is φ = 13685052.

The previous prime is 13685047. The next prime is 13685057. The reversal of 13685053 is 35058631.

13685053 is digitally balanced in base 2, 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., 12974404 + 710649 = 3602^2 + 843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13685053 is a prime.

It is a super-2 number, since 2×136850532 = 374561351225618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13685057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6842526 + 6842527.

It is an arithmetic number, because the mean of its divisors is an integer number (6842527).

Almost surely, 213685053 is an apocalyptic number.

It is an amenable number.

13685053 is a deficient number, since it is larger than the sum of its proper divisors (1).

13685053 is an equidigital number, since it uses as much as digits as its factorization.

13685053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 13685053 is about 3699.3314260823. The cubic root of 13685053 is about 239.1931994073.

The spelling of 13685053 in words is "thirteen million, six hundred eighty-five thousand, fifty-three".