Base | Representation |
---|---|
bin | 11010010010000110101101 |
3 | 110222001011112 |
4 | 122102012231 |
5 | 3230434101 |
6 | 403401405 |
7 | 112364114 |
oct | 32220655 |
9 | 13861145 |
10 | 6889901 |
11 | 3986537 |
12 | 2383265 |
13 | 1573085 |
14 | cb4c7b |
15 | 9116bb |
hex | 6921ad |
6889901 has 2 divisors, whose sum is σ = 6889902. Its totient is φ = 6889900.
The previous prime is 6889891. The next prime is 6889921. The reversal of 6889901 is 1099886.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3613801 + 3276100 = 1901^2 + 1810^2 .It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1066889 and 9886601.
It is a cyclic number.
It is not a de Polignac number, because 6889901 - 210 = 6888877 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6889921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444950 + 3444951.
It is an arithmetic number, because the mean of its divisors is an integer number (3444951).
Almost surely, 26889901 is an apocalyptic number.
It is an amenable number.
6889901 is a deficient number, since it is larger than the sum of its proper divisors (1).
6889901 is an equidigital number, since it uses as much as digits as its factorization.
6889901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 41.
The square root of 6889901 is about 2624.8620916155. The cubic root of 6889901 is about 190.2849003785.
The spelling of 6889901 in words is "six million, eight hundred eighty-nine thousand, nine hundred one".
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