Base | Representation |
---|---|
bin | 11000010111110101111000 |
3 | 110000121012210 |
4 | 120113311320 |
5 | 3113422422 |
6 | 344535120 |
7 | 105210102 |
oct | 30276570 |
9 | 13017183 |
10 | 6389112 |
11 | 3674264 |
12 | 21814a0 |
13 | 1429152 |
14 | bc4572 |
15 | 86310c |
hex | 617d78 |
6389112 has 64 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 2016000.
The previous prime is 6389087. The next prime is 6389113. The reversal of 6389112 is 2119836.
It is a self number, because there is not a number n which added to its sum of digits gives 6389112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6389113) 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 15 ways as a sum of consecutive naturals, for example, 42237 + ... + 42387.
It is an arithmetic number, because the mean of its divisors is an integer number (263340).
Almost surely, 26389112 is an apocalyptic number.
6389112 is the 2064-th pentagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6389112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426880).
6389112 is an abundant number, since it is smaller than the sum of its proper divisors (10464648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6389112 is a wasteful number, since it uses less digits than its factorization.
6389112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244 (or 240 counting only the distinct ones).
The product of its digits is 2592, while the sum is 30.
The square root of 6389112 is about 2527.6692821649. The cubic root of 6389112 is about 185.5582068750.
It can be divided in two parts, 63891 and 12, that added together give a triangular number (63903 = T357).
The spelling of 6389112 in words is "six million, three hundred eighty-nine thousand, one hundred twelve".
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