Search a number
-
+
444475404 = 2233171092221
BaseRepresentation
bin11010011111100…
…010100000001100
31010222100200122000
4122133202200030
51402241203104
6112034352300
714004656442
oct3237424014
91128320560
10444475404
11208992a4a
12104a2b690
13711141c9
1443060b92
152904b639
hex1a7e280c

444475404 has 96 divisors (see below), whose sum is σ = 1231876800. Its totient is φ = 138101760.

The previous prime is 444475399. The next prime is 444475429. The reversal of 444475404 is 404574444.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 199014 + ... + 201234.

It is an arithmetic number, because the mean of its divisors is an integer number (12832050).

Almost surely, 2444475404 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 444475404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615938400).

444475404 is an abundant number, since it is smaller than the sum of its proper divisors (787401396).

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

444475404 is a wasteful number, since it uses less digits than its factorization.

444475404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 36.

The square root of 444475404 is about 21082.5853253343. The cubic root of 444475404 is about 763.1605478795.

The spelling of 444475404 in words is "four hundred forty-four million, four hundred seventy-five thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 109 153 204 218 306 327 436 459 612 654 918 981 1308 1836 1853 1962 2221 2943 3706 3924 4442 5559 5886 6663 7412 8884 11118 11772 13326 16677 19989 22236 26652 33354 37757 39978 50031 59967 66708 75514 79956 100062 113271 119934 151028 200124 226542 239868 242089 339813 453084 484178 679626 726267 968356 1019439 1359252 1452534 2038878 2178801 2905068 4077756 4115513 4357602 6536403 8231026 8715204 12346539 13072806 16462052 24693078 26145612 37039617 49386156 74079234 111118851 148158468 222237702 444475404