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14785 = 52957
BaseRepresentation
bin11100111000001
3202021121
43213001
5433120
6152241
761051
oct34701
922247
1014785
1110121
128681
136964
145561
1545aa
hex39c1

14785 has 4 divisors (see below), whose sum is σ = 17748. Its totient is φ = 11824.

The previous prime is 14783. The next prime is 14797. The reversal of 14785 is 58741.

Subtracting 14785 from its reverse (58741), we obtain a triangular number (43956 = T296).

It can be divided in two parts, 147 and 85, that added together give a palindrome (232).

14785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

14785 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3969 + 10816 = 63^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 14785 - 21 = 14783 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

14785 is a lucky number.

It is a plaindrome in base 9 and base 15.

It is not an unprimeable number, because it can be changed into a prime (14783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (4437).

214785 is an apocalyptic number.

It is an amenable number.

14785 is a deficient number, since it is larger than the sum of its proper divisors (2963).

14785 is an equidigital number, since it uses as much as digits as its factorization.

14785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962.

The product of its digits is 1120, while the sum is 25.

The square root of 14785 is about 121.5935853571. The cubic root of 14785 is about 24.5437231185.

The spelling of 14785 in words is "fourteen thousand, seven hundred eighty-five".

Divisors: 1 5 2957 14785