Base | Representation |
---|---|
bin | 1010001110010101000000 |
3 | 12001011110000 |
4 | 22032111000 |
5 | 1141231003 |
6 | 133240000 |
7 | 31531533 |
oct | 12162500 |
9 | 5034400 |
10 | 2680128 |
11 | 1570690 |
12 | a93000 |
13 | 72ab99 |
14 | 4daa1a |
15 | 37e1a3 |
hex | 28e540 |
2680128 has 140 divisors (see below), whose sum is σ = 8851392. Its totient is φ = 794880.
The previous prime is 2680127. The next prime is 2680133. The reversal of 2680128 is 8210862.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2680123) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57001 + ... + 57047.
22680128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2680128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4425696).
2680128 is an abundant number, since it is smaller than the sum of its proper divisors (6171264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680128 is a wasteful number, since it uses less digits than its factorization.
2680128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82 (or 63 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 2680128 is about 1637.1096481299. The cubic root of 2680128 is about 138.9052025163.
The spelling of 2680128 in words is "two million, six hundred eighty thousand, one hundred twenty-eight".
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