Base | Representation |
---|---|
bin | 11001000001100100011100 |
3 | 110100021200000 |
4 | 121001210130 |
5 | 3134410103 |
6 | 352334300 |
7 | 106521306 |
oct | 31014434 |
9 | 13307600 |
10 | 6560028 |
11 | 3780712 |
12 | 2244390 |
13 | 1488b97 |
14 | c2a976 |
15 | 898aa3 |
hex | 64191c |
6560028 has 72 divisors (see below), whose sum is σ = 18253872. Its totient is φ = 2052864.
The previous prime is 6560027. The next prime is 6560039. The reversal of 6560028 is 8200656.
6560028 is a `hidden beast` number, since 656 + 0 + 0 + 2 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 6559983 and 6560010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6560027) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16326 + ... + 16722.
It is an arithmetic number, because the mean of its divisors is an integer number (253526).
Almost surely, 26560028 is an apocalyptic number.
6560028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6560028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9126936).
6560028 is an abundant number, since it is smaller than the sum of its proper divisors (11693844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6560028 is a wasteful number, since it uses less digits than its factorization.
6560028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 433 (or 419 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 6560028 is about 2561.2551610490. The cubic root of 6560028 is about 187.1982988011.
The spelling of 6560028 in words is "six million, five hundred sixty thousand, twenty-eight".
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