Base | Representation |
---|---|
bin | 11001110111010010110000 |
3 | 110202110112002 |
4 | 121313102300 |
5 | 3213430310 |
6 | 401153132 |
7 | 111425666 |
oct | 31672260 |
9 | 13673462 |
10 | 6780080 |
11 | 3910a7a |
12 | 232b7a8 |
13 | 15350a8 |
14 | c86c36 |
15 | 8ddda5 |
hex | 6774b0 |
6780080 has 20 divisors (see below), whose sum is σ = 15763872. Its totient is φ = 2712000.
The previous prime is 6780077. The next prime is 6780083. The reversal of 6780080 is 800876.
It is an interprime number because it is at equal distance from previous prime (6780077) and next prime (6780083).
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (6780083) 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, 42296 + ... + 42455.
Almost surely, 26780080 is an apocalyptic number.
It is an amenable number.
6780080 is an abundant number, since it is smaller than the sum of its proper divisors (8983792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6780080 is a wasteful number, since it uses less digits than its factorization.
6780080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84764 (or 84758 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 6780080 is about 2603.8586751204. The cubic root of 6780080 is about 189.2684705850.
The spelling of 6780080 in words is "six million, seven hundred eighty thousand, eighty".
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