Base | Representation |
---|---|
bin | 11010011110001… |
… | …011110010011111 |
3 | 1010221200122102011 |
4 | 122132023302133 |
5 | 1402143321343 |
6 | 112023012051 |
7 | 14001650101 |
oct | 3236136237 |
9 | 1127618364 |
10 | 444120223 |
11 | 208770108 |
12 | 10489a027 |
13 | 7101b641 |
14 | 42dab571 |
15 | 28ecb29d |
hex | 1a78bc9f |
444120223 has 8 divisors (see below), whose sum is σ = 475094592. Its totient is φ = 413684736.
The previous prime is 444120221. The next prime is 444120233. The reversal of 444120223 is 322021444.
It is a happy number.
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 444120223 - 21 = 444120221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 444120194 and 444120203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (444120221) 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, 133015 + ... + 136312.
It is an arithmetic number, because the mean of its divisors is an integer number (59386824).
Almost surely, 2444120223 is an apocalyptic number.
444120223 is a deficient number, since it is larger than the sum of its proper divisors (30974369).
444120223 is a wasteful number, since it uses less digits than its factorization.
444120223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269441.
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 444120223 is about 21074.1600781621. The cubic root of 444120223 is about 762.9572127736.
Adding to 444120223 its reverse (322021444), we get a palindrome (766141667).
The spelling of 444120223 in words is "four hundred forty-four million, one hundred twenty thousand, two hundred twenty-three".
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