Base | Representation |
---|---|
bin | 1010100000101… |
… | …0000010011001 |
3 | 10001221120011221 |
4 | 2220022002121 |
5 | 42241100210 |
6 | 4212452041 |
7 | 1043453632 |
oct | 250120231 |
9 | 101846157 |
10 | 44081305 |
11 | 22978a34 |
12 | 1291a021 |
13 | 9195418 |
14 | 5bd6889 |
15 | 3d0b1da |
hex | 2a0a099 |
44081305 has 8 divisors (see below), whose sum is σ = 54721800. Its totient is φ = 34048896.
The previous prime is 44081293. The next prime is 44081309. The reversal of 44081305 is 50318044.
It can be written as a sum of positive squares in 4 ways, for example, as 1466521 + 42614784 = 1211^2 + 6528^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 44081305 - 221 = 41984153 is a prime.
It is a super-2 number, since 2×440813052 = 3886322901006050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 44081305.
It is not an unprimeable number, because it can be changed into a prime (44081309) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151860 + ... + 152149.
It is an arithmetic number, because the mean of its divisors is an integer number (6840225).
Almost surely, 244081305 is an apocalyptic number.
It is an amenable number.
44081305 is a deficient number, since it is larger than the sum of its proper divisors (10640495).
44081305 is a wasteful number, since it uses less digits than its factorization.
44081305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304043.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 44081305 is about 6639.3753471242. The cubic root of 44081305 is about 353.2521504677.
Adding to 44081305 its reverse (50318044), we get a palindrome (94399349).
It can be divided in two parts, 44081 and 305, that multiplied together give a triangular number (13444705 = T5185).
The spelling of 44081305 in words is "forty-four million, eighty-one thousand, three hundred five".
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