Search a number
-
+
12105044 = 227432323
BaseRepresentation
bin101110001011…
…010101010100
3211202222222222
4232023111110
511044330134
61111241512
7204614450
oct56132524
924688888
1012105044
116918776
124079298
13267aa63
141871660
1510e1a2e
hexb8b554

12105044 has 12 divisors (see below), whose sum is σ = 24210144. Its totient is φ = 5187864.

The previous prime is 12105043. The next prime is 12105073. The reversal of 12105044 is 44050121.

12105044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12105044 is an admirable number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105043) 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, 216134 + ... + 216189.

It is an arithmetic number, because the mean of its divisors is an integer number (2017512).

Almost surely, 212105044 is an apocalyptic number.

12105044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12105044 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.

12105044 is a wasteful number, since it uses less digits than its factorization.

12105044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432334 (or 432332 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12105044 is about 3479.2303746662. The cubic root of 12105044 is about 229.6089384923.

Adding to 12105044 its reverse (44050121), we get a palindrome (56155165).

The spelling of 12105044 in words is "twelve million, one hundred five thousand, forty-four".

Divisors: 1 2 4 7 14 28 432323 864646 1729292 3026261 6052522 12105044