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14005 = 52801
BaseRepresentation
bin11011010110101
3201012201
43122311
5422010
6144501
755555
oct33265
921181
1014005
11a582
128131
1364b4
145165
15423a
hex36b5

14005 has 4 divisors (see below), whose sum is σ = 16812. Its totient is φ = 11200.

The previous prime is 13999. The next prime is 14009. The reversal of 14005 is 50041.

14005 is nontrivially palindromic in base 7.

14005 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: 50041 = 163307.

It can be written as a sum of positive squares in 2 ways, for example, as 6084 + 7921 = 78^2 + 89^2 .

It is not a de Polignac number, because 14005 - 23 = 13997 is a prime.

It is a super-2 number, since 2×140052 = 392280050, which contains 22 as substring.

It is a Duffinian number.

14005 is a nontrivial repdigit in base 7.

It is a plaindrome in base 7.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 13982 and 14000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14009) 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, 1396 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (4203).

214005 is an apocalyptic number.

It is an amenable number.

14005 is a deficient number, since it is larger than the sum of its proper divisors (2807).

14005 is an equidigital number, since it uses as much as digits as its factorization.

14005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 14005 is about 118.3427226322. The cubic root of 14005 is about 24.1042915172.

Adding to 14005 its reverse (50041), we get a palindrome (64046).

The spelling of 14005 in words is "fourteen thousand, five".

Divisors: 1 5 2801 14005