Search a number
-
+
11485 = 52297
BaseRepresentation
bin10110011011101
3120202101
42303131
5331420
6125101
745325
oct26335
916671
1011485
1186a1
126791
1352c6
144285
15360a
hex2cdd

11485 has 4 divisors (see below), whose sum is σ = 13788. Its totient is φ = 9184.

The previous prime is 11483. The next prime is 11489. The reversal of 11485 is 58411.

11485 = T86 + T87 + T88.

11485 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4761 + 6724 = 69^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 11485 - 21 = 11483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11483) 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, 1144 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (3447).

211485 is an apocalyptic number.

11485 is the 88-th centered triangular number.

It is an amenable number.

11485 is a deficient number, since it is larger than the sum of its proper divisors (2303).

11485 is an equidigital number, since it uses as much as digits as its factorization.

11485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302.

The product of its digits is 160, while the sum is 19.

The square root of 11485 is about 107.1680922663. The cubic root of 11485 is about 22.5619690869.

Subtracting from 11485 its product of digits (160), we obtain a triangular number (11325 = T150).

Adding to 11485 its reverse (58411), we get a palindrome (69896).

It can be divided in two parts, 11 and 485, that multiplied together give a palindrome (5335).

The spelling of 11485 in words is "eleven thousand, four hundred eighty-five".

Divisors: 1 5 2297 11485