Base | Representation |
---|---|
bin | 1010001110010011001000 |
3 | 12001011021120 |
4 | 22032103020 |
5 | 1141230013 |
6 | 133235240 |
7 | 31531302 |
oct | 12162310 |
9 | 5034246 |
10 | 2680008 |
11 | 1570591 |
12 | a92b20 |
13 | 72ab06 |
14 | 4da972 |
15 | 37e123 |
hex | 28e4c8 |
2680008 has 16 divisors (see below), whose sum is σ = 6700080. Its totient is φ = 893328.
The previous prime is 2680003. The next prime is 2680009. The reversal of 2680008 is 8000862.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 111667 = 2680008 / (2 + 6 + 8 + 0 + 0 + 0 + 8).
It is a self number, because there is not a number n which added to its sum of digits gives 2680008.
It is not an unprimeable number, because it can be changed into a prime (2680003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55810 + ... + 55857.
It is an arithmetic number, because the mean of its divisors is an integer number (418755).
22680008 is an apocalyptic number.
It is an amenable number.
2680008 is an abundant number, since it is smaller than the sum of its proper divisors (4020072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680008 is a wasteful number, since it uses less digits than its factorization.
2680008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111676 (or 111672 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 2680008 is about 1637.0729977616. The cubic root of 2680008 is about 138.9031293724.
The spelling of 2680008 in words is "two million, six hundred eighty thousand, eight".
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