Base | Representation |
---|---|
bin | 11010011110001… |
… | …110011011001110 |
3 | 1010221201012020010 |
4 | 122132032123032 |
5 | 1402144143042 |
6 | 112023134050 |
7 | 14002023426 |
oct | 3236163316 |
9 | 1127635203 |
10 | 444131022 |
11 | 208778235 |
12 | 1048a4326 |
13 | 7102352a |
14 | 42db1486 |
15 | 28ece59c |
hex | 1a78e6ce |
444131022 has 16 divisors (see below), whose sum is σ = 888769152. Its totient is φ = 147959160.
The previous prime is 444130987. The next prime is 444131063. The reversal of 444131022 is 220131444.
It is a self number, because there is not a number n which added to its sum of digits gives 444131022.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228 + ... + 31199.
It is an arithmetic number, because the mean of its divisors is an integer number (55548072).
Almost surely, 2444131022 is an apocalyptic number.
444131022 is an abundant number, since it is smaller than the sum of its proper divisors (444638130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444131022 is a wasteful number, since it uses less digits than its factorization.
444131022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42263.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 444131022 is about 21074.4162908490. The cubic root of 444131022 is about 762.9633966158.
Adding to 444131022 its reverse (220131444), we get a palindrome (664262466).
The spelling of 444131022 in words is "four hundred forty-four million, one hundred thirty-one thousand, twenty-two".
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