Base | Representation |
---|---|
bin | 11001011110110111101011 |
3 | 110120101022000 |
4 | 121132313223 |
5 | 3202230133 |
6 | 355102043 |
7 | 110531226 |
oct | 31366753 |
9 | 13511260 |
10 | 6680043 |
11 | 38528a7 |
12 | 22a1923 |
13 | 14cb6b6 |
14 | c5c5bd |
15 | 8be413 |
hex | 65edeb |
6680043 has 8 divisors (see below), whose sum is σ = 9896400. Its totient is φ = 4453344.
The previous prime is 6680041. The next prime is 6680053. The reversal of 6680043 is 3400866.
It is not a de Polignac number, because 6680043 - 21 = 6680041 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 247409 = 6680043 / (6 + 6 + 8 + 0 + 0 + 4 + 3).
It is a junction number, because it is equal to n+sod(n) for n = 6679989 and 6680016.
It is not an unprimeable number, because it can be changed into a prime (6680041) 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, 123678 + ... + 123731.
It is an arithmetic number, because the mean of its divisors is an integer number (1237050).
Almost surely, 26680043 is an apocalyptic number.
6680043 is a deficient number, since it is larger than the sum of its proper divisors (3216357).
6680043 is a wasteful number, since it uses less digits than its factorization.
6680043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247418 (or 247412 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 6680043 is about 2584.5779152504. The cubic root of 6680043 is about 188.3329977979.
The spelling of 6680043 in words is "six million, six hundred eighty thousand, forty-three".
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