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44221404 = 22329831531
BaseRepresentation
bin1010100010110…
…0001111011100
310002012200100210
42220230033130
542310041104
64215452420
71044606243
oct250541734
9102180323
1044221404
1122a64217
1212987110
139214116
145c3195a
153d37989
hex2a2c3dc

44221404 has 48 divisors (see below), whose sum is σ = 108097920. Its totient is φ = 14051520.

The previous prime is 44221391. The next prime is 44221421. The reversal of 44221404 is 40412244.

44221404 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 an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 28119 + ... + 29649.

It is an arithmetic number, because the mean of its divisors is an integer number (2252040).

Almost surely, 244221404 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 44221404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54048960).

44221404 is an abundant number, since it is smaller than the sum of its proper divisors (63876516).

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

44221404 is a wasteful number, since it uses less digits than its factorization.

44221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44221404 is about 6649.9175934744. The cubic root of 44221404 is about 353.6259894870.

Adding to 44221404 its reverse (40412244), we get a palindrome (84633648).

The spelling of 44221404 in words is "forty-four million, two hundred twenty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 29 58 83 87 116 166 174 249 332 348 498 996 1531 2407 3062 4593 4814 6124 7221 9186 9628 14442 18372 28884 44399 88798 127073 133197 177596 254146 266394 381219 508292 532788 762438 1524876 3685117 7370234 11055351 14740468 22110702 44221404