Base | Representation |
---|---|
bin | 1000011010111111000000 |
3 | 11011011100221 |
4 | 20122333000 |
5 | 1031121210 |
6 | 115152424 |
7 | 24523246 |
oct | 10327700 |
9 | 4134327 |
10 | 2207680 |
11 | 1278732 |
12 | 8a5714 |
13 | 5c3b27 |
14 | 416796 |
15 | 2d91da |
hex | 21afc0 |
2207680 has 28 divisors (see below), whose sum is σ = 5257800. Its totient is φ = 882944.
The previous prime is 2207677. The next prime is 2207713. The reversal of 2207680 is 867022.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130 + ... + 3769.
22207680 is an apocalyptic number.
2207680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2207680 is an abundant number, since it is smaller than the sum of its proper divisors (3050120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2207680 is an equidigital number, since it uses as much as digits as its factorization.
2207680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6916 (or 6906 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 2207680 is about 1485.8263693985. The cubic root of 2207680 is about 130.2103104695.
The spelling of 2207680 in words is "two million, two hundred seven thousand, six hundred eighty".
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