Base | Representation |
---|---|
bin | 11010010010001100011101 |
3 | 110222001200011 |
4 | 122102030131 |
5 | 3230442034 |
6 | 403403221 |
7 | 112365151 |
oct | 32221435 |
9 | 13861604 |
10 | 6890269 |
11 | 3986841 |
12 | 2383511 |
13 | 15732a9 |
14 | cb5061 |
15 | 911864 |
hex | 69231d |
6890269 has 2 divisors, whose sum is σ = 6890270. Its totient is φ = 6890268.
The previous prime is 6890263. The next prime is 6890309. The reversal of 6890269 is 9620986.
It is a happy number.
It is an a-pointer prime, because the next prime (6890309) can be obtained adding 6890269 to its sum of digits (40).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6827769 + 62500 = 2613^2 + 250^2 .
It is a cyclic number.
It is not a de Polignac number, because 6890269 - 25 = 6890237 is a prime.
It is a super-2 number, since 2×68902692 = 94951613784722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6890263) 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, 3445134 + 3445135.
It is an arithmetic number, because the mean of its divisors is an integer number (3445135).
Almost surely, 26890269 is an apocalyptic number.
It is an amenable number.
6890269 is a deficient number, since it is larger than the sum of its proper divisors (1).
6890269 is an equidigital number, since it uses as much as digits as its factorization.
6890269 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 6890269 is about 2624.9321896003. The cubic root of 6890269 is about 190.2882881193.
The spelling of 6890269 in words is "six million, eight hundred ninety thousand, two hundred sixty-nine".
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