Base | Representation |
---|---|
bin | 1000001010011… |
… | …11010010001101 |
3 | 11202212020220101 |
4 | 10011033102031 |
5 | 120012412224 |
6 | 10443451101 |
7 | 1461042346 |
oct | 405172215 |
9 | 152766811 |
10 | 68482189 |
11 | 35724756 |
12 | 1ab26a91 |
13 | 11259a09 |
14 | 91490cd |
15 | 602b044 |
hex | 414f48d |
68482189 has 2 divisors, whose sum is σ = 68482190. Its totient is φ = 68482188.
The previous prime is 68482159. The next prime is 68482217. The reversal of 68482189 is 98128486.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61748164 + 6734025 = 7858^2 + 2595^2 .
It is a cyclic number.
It is not a de Polignac number, because 68482189 - 25 = 68482157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68482129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34241094 + 34241095.
It is an arithmetic number, because the mean of its divisors is an integer number (34241095).
Almost surely, 268482189 is an apocalyptic number.
It is an amenable number.
68482189 is a deficient number, since it is larger than the sum of its proper divisors (1).
68482189 is an equidigital number, since it uses as much as digits as its factorization.
68482189 is an evil number, because the sum of its binary digits is even.
The product of its digits is 221184, while the sum is 46.
The square root of 68482189 is about 8275.3966068099. The cubic root of 68482189 is about 409.1280079472.
The spelling of 68482189 in words is "sixty-eight million, four hundred eighty-two thousand, one hundred eighty-nine".
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