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12244401 = 3213229457
BaseRepresentation
bin101110101101…
…010110110001
3212001002011100
4232231112301
511113310101
61114235013
7206034651
oct56552661
925032140
1012244401
116a03444
124125a69
1326c9310
1418aa361
15111ce86
hexbad5b1

12244401 has 24 divisors (see below), whose sum is σ = 19171880. Its totient is φ = 7485696.

The previous prime is 12244391. The next prime is 12244423. The reversal of 12244401 is 10444221.

12244401 is a `hidden beast` number, since 1 + 224 + 440 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4626801 + 7617600 = 2151^2 + 2760^2 .

It is not a de Polignac number, because 12244401 - 210 = 12243377 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26565 + ... + 27021.

Almost surely, 212244401 is an apocalyptic number.

It is an amenable number.

12244401 is a deficient number, since it is larger than the sum of its proper divisors (6927479).

12244401 is a wasteful number, since it uses less digits than its factorization.

12244401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12244401 is about 3499.2000514403. The cubic root of 12244401 is about 230.4866883898.

Adding to 12244401 its reverse (10444221), we get a palindrome (22688622).

It can be divided in two parts, 1224 and 4401, that added together give a square (5625 = 752).

The spelling of 12244401 in words is "twelve million, two hundred forty-four thousand, four hundred one".

Divisors: 1 3 9 13 39 117 229 457 687 1371 2061 2977 4113 5941 8931 17823 26793 53469 104653 313959 941877 1360489 4081467 12244401