Base | Representation |
---|---|
bin | 1000010101011100010100 |
3 | 11010000020012 |
4 | 20111130110 |
5 | 1024404410 |
6 | 114455352 |
7 | 24400130 |
oct | 10253424 |
9 | 4100205 |
10 | 2184980 |
11 | 1262676 |
12 | 894558 |
13 | 5b66b5 |
14 | 40c3c0 |
15 | 2d2605 |
hex | 215714 |
2184980 has 24 divisors (see below), whose sum is σ = 5244288. Its totient is φ = 749088.
The previous prime is 2184979. The next prime is 2184989. The reversal of 2184980 is 894812.
It is a happy number.
2184980 is nontrivially palindromic in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2184989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7664 + ... + 7943.
It is an arithmetic number, because the mean of its divisors is an integer number (218512).
22184980 is an apocalyptic number.
2184980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2184980 is an abundant number, since it is smaller than the sum of its proper divisors (3059308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2184980 is a wasteful number, since it uses less digits than its factorization.
2184980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15623 (or 15621 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 2184980 is about 1478.1677847931. The cubic root of 2184980 is about 129.7624854490.
The spelling of 2184980 in words is "two million, one hundred eighty-four thousand, nine hundred eighty".
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