Base | Representation |
---|---|
bin | 111101001010000001100 |
3 | 10202210221111 |
4 | 13221100030 |
5 | 1003111410 |
6 | 110541404 |
7 | 23014336 |
oct | 7512014 |
9 | 3683844 |
10 | 2003980 |
11 | 1149690 |
12 | 807864 |
13 | 5521b4 |
14 | 3a2456 |
15 | 298b8a |
hex | 1e940c |
2003980 has 24 divisors (see below), whose sum is σ = 4591440. Its totient is φ = 728640.
The previous prime is 2003971. The next prime is 2003999. The reversal of 2003980 is 893002.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4335 + ... + 4774.
It is an arithmetic number, because the mean of its divisors is an integer number (191310).
22003980 is an apocalyptic number.
2003980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2003980 is an abundant number, since it is smaller than the sum of its proper divisors (2587460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2003980 is a wasteful number, since it uses less digits than its factorization.
2003980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9129 (or 9127 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 2003980 is about 1415.6200055100. The cubic root of 2003980 is about 126.0756243757.
Adding to 2003980 its sum of digits (22), we get a palindrome (2004002).
Adding to 2003980 its reverse (893002), we get a palindrome (2896982).
The spelling of 2003980 in words is "two million, three thousand, nine hundred eighty".
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