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12441224 = 231555153
BaseRepresentation
bin101111011101…
…011010001000
3212102002011002
4233131122020
511141104344
61122354132
7210514535
oct57353210
925362132
1012441224
117028304
1241bb948
132767a93
14191bd8c
15115b44e
hexbdd688

12441224 has 8 divisors (see below), whose sum is σ = 23327310. Its totient is φ = 6220608.

The previous prime is 12441223. The next prime is 12441239. The reversal of 12441224 is 42214421.

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 6100900 = 2518^2 + 2470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12441196 and 12441205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441223) 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 as a sum of consecutive naturals, namely, 777569 + ... + 777584.

Almost surely, 212441224 is an apocalyptic number.

It is an amenable number.

12441224 is a deficient number, since it is larger than the sum of its proper divisors (10886086).

12441224 is a wasteful number, since it uses less digits than its factorization.

12441224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555159 (or 1555155 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 12441224 is about 3527.2119301227. The cubic root of 12441224 is about 231.7151180225.

Adding to 12441224 its reverse (42214421), we get a palindrome (54655645).

The spelling of 12441224 in words is "twelve million, four hundred forty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 1555153 3110306 6220612 12441224