Base | Representation |
---|---|
bin | 1010111010011010111000 |
3 | 12101100011220 |
4 | 22322122320 |
5 | 1213020403 |
6 | 141152040 |
7 | 33213213 |
oct | 12723270 |
9 | 5340156 |
10 | 2860728 |
11 | 1684342 |
12 | b5b620 |
13 | 792150 |
14 | 54677a |
15 | 3b7953 |
hex | 2ba6b8 |
2860728 has 64 divisors (see below), whose sum is σ = 7892640. Its totient is φ = 858624.
The previous prime is 2860723. The next prime is 2860751. The reversal of 2860728 is 8270682.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2860721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16450 + ... + 16622.
22860728 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 2860728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3946320).
2860728 is an abundant number, since it is smaller than the sum of its proper divisors (5031912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2860728 is a wasteful number, since it uses less digits than its factorization.
2860728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 2860728 is about 1691.3686765457. The cubic root of 2860728 is about 141.9576677358.
The spelling of 2860728 in words is "two million, eight hundred sixty thousand, seven hundred twenty-eight".
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