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44043444 = 22321923389
BaseRepresentation
bin1010100000000…
…0110010110100
310001212122020200
42220000302310
542233342234
64212000500
71043235354
oct250006264
9101778220
1044043444
1122952545
1212900130
139181113
145bc6b64
153ceed99
hex2a00cb4

44043444 has 54 divisors (see below), whose sum is σ = 117534690. Its totient is φ = 13904352.

The previous prime is 44043443. The next prime is 44043449. The reversal of 44043444 is 44434044.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 324900 = 6612^2 + 570^2 .

It is a super-2 number, since 2×440434442 = 3879649918762272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44043443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11302 + ... + 14690.

Almost surely, 244043444 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 44043444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58767345).

44043444 is an abundant number, since it is smaller than the sum of its proper divisors (73491246).

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

44043444 is a wasteful number, since it uses less digits than its factorization.

44043444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 44043444 is about 6636.5234874895. The cubic root of 44043444 is about 353.1509865649.

Adding to 44043444 its reverse (44434044), we get a palindrome (88477488).

The spelling of 44043444 in words is "forty-four million, forty-three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 361 684 722 1083 1444 2166 3249 3389 4332 6498 6778 10167 12996 13556 20334 30501 40668 61002 64391 122004 128782 193173 257564 386346 579519 772692 1159038 1223429 2318076 2446858 3670287 4893716 7340574 11010861 14681148 22021722 44043444