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244404 = 22333173
BaseRepresentation
bin111011101010110100
3110102021000
4323222310
530310104
65123300
72035356
oct735264
9412230
10244404
11157696
12b9530
1387324
14650d6
154c639
hex3bab4

244404 has 48 divisors (see below), whose sum is σ = 663040. Its totient is φ = 77760.

The previous prime is 244403. The next prime is 244411. The reversal of 244404 is 404442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244404.

It is not an unprimeable number, because it can be changed into a prime (244403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3312 + ... + 3384.

2244404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331520).

244404 is an abundant number, since it is smaller than the sum of its proper divisors (418636).

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

244404 is a wasteful number, since it uses less digits than its factorization.

244404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 244404 is about 494.3723293227. The cubic root of 244404 is about 62.5224665897.

Adding to 244404 its reverse (404442), we get a palindrome (648846).

The spelling of 244404 in words is "two hundred forty-four thousand, four hundred four", and thus it is an iban number.

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 73 93 108 124 146 186 219 279 292 372 438 558 657 837 876 1116 1314 1674 1971 2263 2628 3348 3942 4526 6789 7884 9052 13578 20367 27156 40734 61101 81468 122202 244404