Base | Representation |
---|---|
bin | 1100000000001100… |
… | …00000010110001110 |
3 | 121122002120101210010 |
4 | 12000012000112032 |
5 | 101144132301410 |
6 | 2543233454050 |
7 | 315455211366 |
oct | 60006002616 |
9 | 17562511703 |
10 | 6444025230 |
11 | 2807536595 |
12 | 12ba111326 |
13 | 7b90830a6 |
14 | 451b939a6 |
15 | 27aae5c20 |
hex | 18018058e |
6444025230 has 64 divisors (see below), whose sum is σ = 16298039808. Its totient is φ = 1627401600.
The previous prime is 6444025187. The next prime is 6444025283. The reversal of 6444025230 is 325204446.
It is a super-2 number, since 2×64440252302 = 83050922329753105800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23457 + ... + 115923.
It is an arithmetic number, because the mean of its divisors is an integer number (254656872).
Almost surely, 26444025230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6444025230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8149019904).
6444025230 is an abundant number, since it is smaller than the sum of its proper divisors (9854014578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6444025230 is a wasteful number, since it uses less digits than its factorization.
6444025230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92601.
The product of its (nonzero) digits is 23040, while the sum is 30.
The square root of 6444025230 is about 80274.6861096323. The cubic root of 6444025230 is about 1860.8830383348.
Adding to 6444025230 its reverse (325204446), we get a palindrome (6769229676).
The spelling of 6444025230 in words is "six billion, four hundred forty-four million, twenty-five thousand, two hundred thirty".
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