Base | Representation |
---|---|
bin | 101010111101010… |
… | …110010000110001 |
3 | 1212020011121220001 |
4 | 222331112100301 |
5 | 2434001200131 |
6 | 155303350001 |
7 | 23601030121 |
oct | 5275262061 |
9 | 1766147801 |
10 | 720725041 |
11 | 33a915433 |
12 | 181452301 |
13 | b641782a |
14 | 6ba10c81 |
15 | 43418261 |
hex | 2af56431 |
720725041 has 2 divisors, whose sum is σ = 720725042. Its totient is φ = 720725040.
The previous prime is 720725017. The next prime is 720725051. The reversal of 720725041 is 140527027.
720725041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 533610000 + 187115041 = 23100^2 + 13679^2 .
It is a cyclic number.
It is not a de Polignac number, because 720725041 - 25 = 720725009 is a prime.
It is not a weakly prime, because it can be changed into another prime (720725011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360362520 + 360362521.
It is an arithmetic number, because the mean of its divisors is an integer number (360362521).
Almost surely, 2720725041 is an apocalyptic number.
It is an amenable number.
720725041 is a deficient number, since it is larger than the sum of its proper divisors (1).
720725041 is an equidigital number, since it uses as much as digits as its factorization.
720725041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3920, while the sum is 28.
The square root of 720725041 is about 26846.3226718297. The cubic root of 720725041 is about 896.5817004353.
The spelling of 720725041 in words is "seven hundred twenty million, seven hundred twenty-five thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •