Base | Representation |
---|---|
bin | 10111111000110… |
… | …11010010001001 |
3 | 111222001212002022 |
4 | 23330123102021 |
5 | 402244433034 |
6 | 31515014225 |
7 | 4652166506 |
oct | 1374332211 |
9 | 458055068 |
10 | 200389769 |
11 | a3129888 |
12 | 5713a375 |
13 | 32692838 |
14 | 1c8844ad |
15 | 128d4b2e |
hex | bf1b489 |
200389769 has 2 divisors, whose sum is σ = 200389770. Its totient is φ = 200389768.
The previous prime is 200389747. The next prime is 200389771. The reversal of 200389769 is 967983002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 174583369 + 25806400 = 13213^2 + 5080^2 .
It is a cyclic number.
It is not a de Polignac number, because 200389769 - 220 = 199341193 is a prime.
It is a super-2 number, since 2×2003897692 = 80312119039746722, which contains 22 as substring.
Together with 200389771, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (200389729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100194884 + 100194885.
It is an arithmetic number, because the mean of its divisors is an integer number (100194885).
Almost surely, 2200389769 is an apocalyptic number.
It is an amenable number.
200389769 is a deficient number, since it is larger than the sum of its proper divisors (1).
200389769 is an equidigital number, since it uses as much as digits as its factorization.
200389769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 200389769 is about 14155.9093314418. The cubic root of 200389769 is about 585.1831982791.
The spelling of 200389769 in words is "two hundred million, three hundred eighty-nine thousand, seven hundred sixty-nine".
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