Base | Representation |
---|---|
bin | 1000001000010… |
… | …11111101010010 |
3 | 11202100020121122 |
4 | 10010023331102 |
5 | 114430101133 |
6 | 10433522242 |
7 | 1455513350 |
oct | 404137522 |
9 | 152306548 |
10 | 68206418 |
11 | 35556545 |
12 | 1aa13382 |
13 | 11191337 |
14 | 90b67d0 |
15 | 5ec4498 |
hex | 410bf52 |
68206418 has 16 divisors (see below), whose sum is σ = 118843584. Its totient is φ = 28751760.
The previous prime is 68206403. The next prime is 68206421. The reversal of 68206418 is 81460286.
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, 39080 + ... + 40787.
It is an arithmetic number, because the mean of its divisors is an integer number (7427724).
Almost surely, 268206418 is an apocalyptic number.
68206418 is a deficient number, since it is larger than the sum of its proper divisors (50637166).
68206418 is a wasteful number, since it uses less digits than its factorization.
68206418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79937.
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 68206418 is about 8258.7176970762. The cubic root of 68206418 is about 408.5780964683.
The spelling of 68206418 in words is "sixty-eight million, two hundred six thousand, four hundred eighteen".
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