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12445244 = 227444473
BaseRepresentation
bin101111011110…
…011000111100
3212102021122222
4233132120330
511141221434
61122424512
7210532340
oct57363074
925367588
1012445244
117030329
124202138
132769866
14191d620
15115c72e
hexbde63c

12445244 has 12 divisors (see below), whose sum is σ = 24890544. Its totient is φ = 5333664.

The previous prime is 12445187. The next prime is 12445249. The reversal of 12445244 is 44254421.

12445244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445249) 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, 222209 + ... + 222264.

It is an arithmetic number, because the mean of its divisors is an integer number (2074212).

Almost surely, 212445244 is an apocalyptic number.

12445244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12445244 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.

12445244 is a wasteful number, since it uses less digits than its factorization.

12445244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444484 (or 444482 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 12445244 is about 3527.7817392804. The cubic root of 12445244 is about 231.7400725464.

Adding to 12445244 its reverse (44254421), we get a palindrome (56699665).

The spelling of 12445244 in words is "twelve million, four hundred forty-five thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 444473 888946 1777892 3111311 6222622 12445244