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14285 = 52857
BaseRepresentation
bin11011111001101
3201121002
43133031
5424120
6150045
756435
oct33715
921532
1014285
11a807
128325
13666b
1452c5
154375
hex37cd

14285 has 4 divisors (see below), whose sum is σ = 17148. Its totient is φ = 11424.

The previous prime is 14281. The next prime is 14293. The reversal of 14285 is 58241.

14285 = 682 + 692 + 702.

14285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58241 = 139419.

It can be written as a sum of positive squares in 2 ways, for example, as 7396 + 6889 = 86^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 14285 - 22 = 14281 is a prime.

It is a super-2 number, since 2×142852 = 408122450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (4287).

214285 is an apocalyptic number.

It is an amenable number.

14285 is a deficient number, since it is larger than the sum of its proper divisors (2863).

14285 is an equidigital number, since it uses as much as digits as its factorization.

14285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its digits is 320, while the sum is 20.

The square root of 14285 is about 119.5198728246. The cubic root of 14285 is about 24.2638706207.

Subtracting 14285 from its reverse (58241), we obtain a triangular number (43956 = T296).

It can be divided in two parts, 1428 and 5, that multiplied together give a triangular number (7140 = T119).

The spelling of 14285 in words is "fourteen thousand, two hundred eighty-five".

Divisors: 1 5 2857 14285