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27814513 is a prime number
BaseRepresentation
bin110101000011…
…0101001110001
31221100010100011
41222012221301
524110031023
62432054521
7455263606
oct152065161
957303304
1027814513
1114778501
129394441
1359bb2bc
1439a06ad
15269650d
hex1a86a71

27814513 has 2 divisors, whose sum is σ = 27814514. Its totient is φ = 27814512.

The previous prime is 27814469. The next prime is 27814529. The reversal of 27814513 is 31541872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 2934369 = 4988^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 27814513 - 29 = 27814001 is a prime.

It is not a weakly prime, because it can be changed into another prime (27814573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13907256 + 13907257.

It is an arithmetic number, because the mean of its divisors is an integer number (13907257).

Almost surely, 227814513 is an apocalyptic number.

It is an amenable number.

27814513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27814513 is an equidigital number, since it uses as much as digits as its factorization.

27814513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 27814513 is about 5273.9466246825. The cubic root of 27814513 is about 302.9868779876.

The spelling of 27814513 in words is "twenty-seven million, eight hundred fourteen thousand, five hundred thirteen".