Base | Representation |
---|---|
bin | 1010100001011… |
… | …0001010111101 |
3 | 10002001002100200 |
4 | 2220112022331 |
5 | 42244143010 |
6 | 4213514113 |
7 | 1044051552 |
oct | 250261275 |
9 | 102032320 |
10 | 44131005 |
11 | 22a02306 |
12 | 12942939 |
13 | 91b1c29 |
14 | 5c0aa29 |
15 | 3d1acc0 |
hex | 2a162bd |
44131005 has 12 divisors (see below), whose sum is σ = 76493820. Its totient is φ = 23536512.
The previous prime is 44130991. The next prime is 44131007. The reversal of 44131005 is 50013144.
It is a happy number.
44131005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 30669444 + 13461561 = 5538^2 + 3669^2 .
It is not a de Polignac number, because 44131005 - 26 = 44130941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44131007) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 490300 + ... + 490389.
It is an arithmetic number, because the mean of its divisors is an integer number (6374485).
Almost surely, 244131005 is an apocalyptic number.
44131005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
44131005 is a deficient number, since it is larger than the sum of its proper divisors (32362815).
44131005 is a wasteful number, since it uses less digits than its factorization.
44131005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980700 (or 980697 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 44131005 is about 6643.1171147286. The cubic root of 44131005 is about 353.3848600738.
Adding to 44131005 its reverse (50013144), we get a palindrome (94144149).
The spelling of 44131005 in words is "forty-four million, one hundred thirty-one thousand, five".
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