Base | Representation |
---|---|
bin | 1000001100010… |
… | …11000100001001 |
3 | 11210022200210021 |
4 | 10012023010021 |
5 | 120043231144 |
6 | 10453020441 |
7 | 1463112256 |
oct | 406130411 |
9 | 153280707 |
10 | 68727049 |
11 | 35881716 |
12 | 1b024721 |
13 | 113142c1 |
14 | 91b042d |
15 | 6078884 |
hex | 418b109 |
68727049 has 2 divisors, whose sum is σ = 68727050. Its totient is φ = 68727048.
The previous prime is 68727041. The next prime is 68727097. The reversal of 68727049 is 94072786.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 66536649 + 2190400 = 8157^2 + 1480^2 .
It is a cyclic number.
It is not a de Polignac number, because 68727049 - 23 = 68727041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68726996 and 68727014.
It is not a weakly prime, because it can be changed into another prime (68727041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34363524 + 34363525.
It is an arithmetic number, because the mean of its divisors is an integer number (34363525).
Almost surely, 268727049 is an apocalyptic number.
It is an amenable number.
68727049 is a deficient number, since it is larger than the sum of its proper divisors (1).
68727049 is an equidigital number, since it uses as much as digits as its factorization.
68727049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 68727049 is about 8290.1778629894. The cubic root of 68727049 is about 409.6150441843.
The spelling of 68727049 in words is "sixty-eight million, seven hundred twenty-seven thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •