Base | Representation |
---|---|
bin | 11010011101101… |
… | …110101001001100 |
3 | 1010221110120122201 |
4 | 122131232221030 |
5 | 1402131011334 |
6 | 112020251244 |
7 | 14000642050 |
oct | 3235565114 |
9 | 1127416581 |
10 | 444000844 |
11 | 208699451 |
12 | 104840b24 |
13 | 70ca91c1 |
14 | 42d79c60 |
15 | 28ea5c14 |
hex | 1a76ea4c |
444000844 has 12 divisors (see below), whose sum is σ = 888001744. Its totient is φ = 190286064.
The previous prime is 444000841. The next prime is 444000847. The reversal of 444000844 is 448000444.
It is an interprime number because it is at equal distance from previous prime (444000841) and next prime (444000847).
444000844 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15857173 = 444000844 / (4 + 4 + 4 + 0 + 0 + 0 + 8 + 4 + 4).
It is not an unprimeable number, because it can be changed into a prime (444000841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7928559 + ... + 7928614.
Almost surely, 2444000844 is an apocalyptic number.
It is an amenable number.
444000844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444000844 is a wasteful number, since it uses less digits than its factorization.
444000844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15857184 (or 15857182 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 28.
The square root of 444000844 is about 21071.3275329297. The cubic root of 444000844 is about 762.8888459767. Note that the first 4 decimals are identical.
The spelling of 444000844 in words is "four hundred forty-four million, eight hundred forty-four", and thus it is an aban number.
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