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12182044 = 2272231951
BaseRepresentation
bin101110011110…
…001000011100
3211220220121211
4232132020130
511104311134
61113034204
7205355110
oct56361034
924826554
1012182044
116970606
1240b5964
1326a6b14
141891740
151109764
hexb9e21c

12182044 has 24 divisors (see below), whose sum is σ = 24485888. Its totient is φ = 5194800.

The previous prime is 12182041. The next prime is 12182063. The reversal of 12182044 is 44028121.

12182044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12182041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269 + ... + 7219.

Almost surely, 212182044 is an apocalyptic number.

12182044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12182044 is an abundant number, since it is smaller than the sum of its proper divisors (12303844).

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

12182044 is a wasteful number, since it uses less digits than its factorization.

12182044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 12182044 is about 3490.2784989167. The cubic root of 12182044 is about 230.0947561678.

The spelling of 12182044 in words is "twelve million, one hundred eighty-two thousand, forty-four".

Divisors: 1 2 4 7 14 28 223 446 892 1561 1951 3122 3902 6244 7804 13657 27314 54628 435073 870146 1740292 3045511 6091022 12182044