Base | Representation |
---|---|
bin | 1010001111100110000000 |
3 | 12001102120000 |
4 | 22033212000 |
5 | 1141412222 |
6 | 133320000 |
7 | 31552620 |
oct | 12174600 |
9 | 5042500 |
10 | 2685312 |
11 | 1574573 |
12 | a96000 |
13 | 730356 |
14 | 4dc880 |
15 | 3809ac |
hex | 28f980 |
2685312 has 160 divisors (see below), whose sum is σ = 9379920. Its totient is φ = 746496.
The previous prime is 2685311. The next prime is 2685323. The reversal of 2685312 is 2135862.
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 (2685311) 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, 72558 + ... + 72594.
22685312 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 2685312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4689960).
2685312 is an abundant number, since it is smaller than the sum of its proper divisors (6694608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2685312 is an equidigital number, since it uses as much as digits as its factorization.
2685312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70 (or 49 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 2685312 is about 1638.6921614507. The cubic root of 2685312 is about 138.9947033159.
The spelling of 2685312 in words is "two million, six hundred eighty-five thousand, three hundred twelve".
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