Base | Representation |
---|---|
bin | 11001110100100111010101 |
3 | 110201220110202 |
4 | 121310213111 |
5 | 3213102414 |
6 | 401030245 |
7 | 111352004 |
oct | 31644725 |
9 | 13656422 |
10 | 6769109 |
11 | 3903806 |
12 | 2325385 |
13 | 15300b9 |
14 | c82c3b |
15 | 8da9de |
hex | 6749d5 |
6769109 has 4 divisors (see below), whose sum is σ = 6880140. Its totient is φ = 6658080.
The previous prime is 6769099. The next prime is 6769127. The reversal of 6769109 is 9019676.
6769109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 6265009 = 710^2 + 2503^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6769109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6768109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55424 + ... + 55545.
It is an arithmetic number, because the mean of its divisors is an integer number (1720035).
Almost surely, 26769109 is an apocalyptic number.
It is an amenable number.
6769109 is a deficient number, since it is larger than the sum of its proper divisors (111031).
6769109 is a wasteful number, since it uses less digits than its factorization.
6769109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111030.
The product of its (nonzero) digits is 20412, while the sum is 38.
The square root of 6769109 is about 2601.7511410587. The cubic root of 6769109 is about 189.1663289490.
The spelling of 6769109 in words is "six million, seven hundred sixty-nine thousand, one hundred nine".
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