Base | Representation |
---|---|
bin | 111101001110100001000 |
3 | 10202221002200 |
4 | 13221310020 |
5 | 1003200110 |
6 | 111000200 |
7 | 23024133 |
oct | 7516410 |
9 | 3687080 |
10 | 2006280 |
11 | 1150391 |
12 | 809060 |
13 | 553263 |
14 | 3a321a |
15 | 2996c0 |
hex | 1e9d08 |
2006280 has 48 divisors (see below), whose sum is σ = 6521580. Its totient is φ = 534912.
The previous prime is 2006273. The next prime is 2006287. The reversal of 2006280 is 826002.
It is an interprime number because it is at equal distance from previous prime (2006273) and next prime (2006287).
It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 248004 = 1326^2 + 498^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2006287) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2427 + ... + 3146.
22006280 is an apocalyptic number.
2006280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2006280 is an abundant number, since it is smaller than the sum of its proper divisors (4515300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2006280 is a wasteful number, since it uses less digits than its factorization.
2006280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5590 (or 5583 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2006280 is about 1416.4321374496. The cubic root of 2006280 is about 126.1238389406.
The spelling of 2006280 in words is "two million, six thousand, two hundred eighty".
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