Base | Representation |
---|---|
bin | 11010011111000… |
… | …010010011000001 |
3 | 1010222002222200021 |
4 | 122133002103001 |
5 | 1402222442424 |
6 | 112031453441 |
7 | 14003600032 |
oct | 3237022301 |
9 | 1128088607 |
10 | 444343489 |
11 | 208902927 |
12 | 104987281 |
13 | 71099155 |
14 | 43028a89 |
15 | 290224e4 |
hex | 1a7c24c1 |
444343489 has 8 divisors (see below), whose sum is σ = 450980352. Its totient is φ = 437717280.
The previous prime is 444343483. The next prime is 444343513. The reversal of 444343489 is 984343444.
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 444343489 - 25 = 444343457 is a prime.
It is a super-2 number, since 2×4443434892 = 394882272433386242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (444343483) 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 7 ways as a sum of consecutive naturals, for example, 127717 + ... + 131149.
It is an arithmetic number, because the mean of its divisors is an integer number (56372544).
Almost surely, 2444343489 is an apocalyptic number.
It is an amenable number.
444343489 is a deficient number, since it is larger than the sum of its proper divisors (6636863).
444343489 is a wasteful number, since it uses less digits than its factorization.
444343489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5327.
The product of its digits is 663552, while the sum is 43.
The square root of 444343489 is about 21079.4565632039. The cubic root of 444343489 is about 763.0850414257.
It can be divided in two parts, 4443434 and 89, that multiplied together give a triangular number (395465626 = T28123).
The spelling of 444343489 in words is "four hundred forty-four million, three hundred forty-three thousand, four hundred eighty-nine".
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