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11105444 = 227396623
BaseRepresentation
bin101010010111…
…010010100100
3202220012210202
4222113102210
510320333234
61034010032
7163252250
oct52272244
922805722
1011105444
1162a5759
123876918
1323baa8c
141691260
15e9577e
hexa974a4

11105444 has 12 divisors (see below), whose sum is σ = 22210944. Its totient is φ = 4759464.

The previous prime is 11105441. The next prime is 11105447. The reversal of 11105444 is 44450111.

It is an interprime number because it is at equal distance from previous prime (11105441) and next prime (11105447).

11105444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11105441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 198284 + ... + 198339.

It is an arithmetic number, because the mean of its divisors is an integer number (1850912).

Almost surely, 211105444 is an apocalyptic number.

11105444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11105444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11105444 is a wasteful number, since it uses less digits than its factorization.

11105444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396634 (or 396632 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 11105444 is about 3332.4831582470. The cubic root of 11105444 is about 223.1063727333.

Adding to 11105444 its reverse (44450111), we get a palindrome (55555555).

The spelling of 11105444 in words is "eleven million, one hundred five thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 396623 793246 1586492 2776361 5552722 11105444