Search a number
-
+
11113144 = 2371911039
BaseRepresentation
bin101010011001…
…001010111000
3202220121100221
4222121022320
510321110034
61034105424
7163313560
oct52311270
922817327
1011113144
116300519
12387b274
1323c1433
141693da0
15e97bb4
hexa992b8

11113144 has 32 divisors (see below), whose sum is σ = 23961600. Its totient is φ = 4733280.

The previous prime is 11113129. The next prime is 11113153. The reversal of 11113144 is 44131111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10177 + ... + 11215.

It is an arithmetic number, because the mean of its divisors is an integer number (748800).

Almost surely, 211113144 is an apocalyptic number.

11113144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11113144 is an abundant number, since it is smaller than the sum of its proper divisors (12848456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11113144 is a wasteful number, since it uses less digits than its factorization.

11113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1239 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 11113144 is about 3333.6382527203. The cubic root of 11113144 is about 223.1579246922.

Adding to 11113144 its reverse (44131111), we get a palindrome (55244255).

The spelling of 11113144 in words is "eleven million, one hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 191 382 764 1039 1337 1528 2078 2674 4156 5348 7273 8312 10696 14546 29092 58184 198449 396898 793796 1389143 1587592 2778286 5556572 11113144