Base | Representation |
---|---|
bin | 111011110111010… |
… | …0001011000001000 |
3 | 12011222200201111012 |
4 | 1313232201120020 |
5 | 13103210342130 |
6 | 531153023052 |
7 | 100530350456 |
oct | 16756413010 |
9 | 5158621435 |
10 | 2008684040 |
11 | 940939060 |
12 | 480854a88 |
13 | 2601c7c4c |
14 | 150ab99d6 |
15 | bb52a995 |
hex | 77ba1608 |
2008684040 has 32 divisors (see below), whose sum is σ = 4930407360. Its totient is φ = 730430400.
The previous prime is 2008684039. The next prime is 2008684103. The reversal of 2008684040 is 404868002.
It is a junction number, because it is equal to n+sod(n) for n = 2008683988 and 2008684006.
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, 2282156 + ... + 2283035.
It is an arithmetic number, because the mean of its divisors is an integer number (154075230).
Almost surely, 22008684040 is an apocalyptic number.
2008684040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2008684040 is an abundant number, since it is smaller than the sum of its proper divisors (2921723320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2008684040 is a wasteful number, since it uses less digits than its factorization.
2008684040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4565213 (or 4565209 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 2008684040 is about 44818.3449047374. The cubic root of 2008684040 is about 1261.7419511015.
The spelling of 2008684040 in words is "two billion, eight million, six hundred eighty-four thousand, forty".
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