Base | Representation |
---|---|
bin | 1100010100101001001000 |
3 | 20002010010000 |
4 | 30110221020 |
5 | 1311332110 |
6 | 153123000 |
7 | 36312504 |
oct | 14245110 |
9 | 6063100 |
10 | 3230280 |
11 | 1906a59 |
12 | 10b9460 |
13 | 891411 |
14 | 601304 |
15 | 43c1c0 |
hex | 314a48 |
3230280 has 80 divisors (see below), whose sum is σ = 10868220. Its totient is φ = 860544.
The previous prime is 3230273. The next prime is 3230299. The reversal of 3230280 is 820323.
It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 54756 = 1782^2 + 234^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2742 + ... + 3738.
Almost surely, 23230280 is an apocalyptic number.
3230280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3230280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5434110).
3230280 is an abundant number, since it is smaller than the sum of its proper divisors (7637940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3230280 is a wasteful number, since it uses less digits than its factorization.
3230280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020 (or 1007 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 3230280 is about 1797.2979719568. The cubic root of 3230280 is about 147.8246035155.
The spelling of 3230280 in words is "three million, two hundred thirty thousand, two hundred eighty".
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