Search a number
-
+
11104981 = 17962039
BaseRepresentation
bin101010010111…
…001011010101
3202220012011121
4222113023111
510320324411
61034003541
7163251016
oct52271325
922805147
1011104981
1162a5378
1238765b1
1323ba7c4
14169100d
15e95571
hexa972d5

11104981 has 4 divisors (see below), whose sum is σ = 11167200. Its totient is φ = 11042764.

The previous prime is 11104967. The next prime is 11104991. The reversal of 11104981 is 18940111.

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 11104981 - 211 = 11102933 is a prime.

It is a super-2 number, since 2×111049812 = 246641206020722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11104991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30841 + ... + 31198.

It is an arithmetic number, because the mean of its divisors is an integer number (2791800).

Almost surely, 211104981 is an apocalyptic number.

It is an amenable number.

11104981 is a deficient number, since it is larger than the sum of its proper divisors (62219).

11104981 is an equidigital number, since it uses as much as digits as its factorization.

11104981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62218.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 11104981 is about 3332.4136898050. The cubic root of 11104981 is about 223.1032721612.

The spelling of 11104981 in words is "eleven million, one hundred four thousand, nine hundred eighty-one".

Divisors: 1 179 62039 11104981