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11090872 = 2313472269
BaseRepresentation
bin101010010011…
…101110111000
3202212110211001
4222103232320
510314401442
61033414344
7163161622
oct52235670
922773731
1011090872
116295811
12386a3b4
1323b4260
141689c12
15e912b7
hexa93bb8

11090872 has 32 divisors (see below), whose sum is σ = 22881600. Its totient is φ = 5007744.

The previous prime is 11090831. The next prime is 11090873. The reversal of 11090872 is 27809011.

It is a self number, because there is not a number n which added to its sum of digits gives 11090872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090873) 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 7 ways as a sum of consecutive naturals, for example, 3754 + ... + 6022.

It is an arithmetic number, because the mean of its divisors is an integer number (715050).

Almost surely, 211090872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11090872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11440800).

11090872 is an abundant number, since it is smaller than the sum of its proper divisors (11790728).

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

11090872 is a wasteful number, since it uses less digits than its factorization.

11090872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 11090872 is about 3330.2960829332. The cubic root of 11090872 is about 223.0087470679.

Adding to 11090872 its reverse (27809011), we get a palindrome (38899883).

The spelling of 11090872 in words is "eleven million, ninety thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 26 47 52 94 104 188 376 611 1222 2269 2444 4538 4888 9076 18152 29497 58994 106643 117988 213286 235976 426572 853144 1386359 2772718 5545436 11090872