Search a number
-
+
11017 = 23479
BaseRepresentation
bin10101100001001
3120010001
42230021
5323032
6123001
744056
oct25411
916101
1011017
118306
126461
135026
14402d
1533e7
hex2b09

11017 has 4 divisors (see below), whose sum is σ = 11520. Its totient is φ = 10516.

The previous prime is 11003. The next prime is 11027. The reversal of 11017 is 71011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11017 - 27 = 10889 is a prime.

It is a Duffinian number.

11017 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 10994 and 11012.

It is not an unprimeable number, because it can be changed into a prime (11027) 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, 217 + ... + 262.

It is an arithmetic number, because the mean of its divisors is an integer number (2880).

211017 is an apocalyptic number.

It is an amenable number.

11017 is a deficient number, since it is larger than the sum of its proper divisors (503).

11017 is an equidigital number, since it uses as much as digits as its factorization.

11017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 7, while the sum is 10.

The square root of 11017 is about 104.9618978487. The cubic root of 11017 is about 22.2512518759.

Adding to 11017 its reverse (71011), we get a palindrome (82028).

The spelling of 11017 in words is "eleven thousand, seventeen", and thus it is an iban number.

Divisors: 1 23 479 11017