Base | Representation |
---|---|
bin | 11001011011001100000101 |
3 | 110112121121120 |
4 | 121123030011 |
5 | 3201234330 |
6 | 354504153 |
7 | 110436246 |
oct | 31331405 |
9 | 13477546 |
10 | 6664965 |
11 | 384253a |
12 | 2295059 |
13 | 14c4888 |
14 | c56ccd |
15 | 8b9c10 |
hex | 65b305 |
6664965 has 16 divisors (see below), whose sum is σ = 10715328. Its totient is φ = 3537536.
The previous prime is 6664961. The next prime is 6664979. The reversal of 6664965 is 5694666.
It is a cyclic number.
It is not a de Polignac number, because 6664965 - 22 = 6664961 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6664961) 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 in 15 ways as a sum of consecutive naturals, for example, 2542 + ... + 4448.
It is an arithmetic number, because the mean of its divisors is an integer number (669708).
Almost surely, 26664965 is an apocalyptic number.
It is an amenable number.
6664965 is a deficient number, since it is larger than the sum of its proper divisors (4050363).
6664965 is a wasteful number, since it uses less digits than its factorization.
6664965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2148.
The product of its digits is 233280, while the sum is 42.
The square root of 6664965 is about 2581.6593501080. The cubic root of 6664965 is about 188.1911911171.
Subtracting from 6664965 its reverse (5694666), we obtain a cube (970299 = 993).
The spelling of 6664965 in words is "six million, six hundred sixty-four thousand, nine hundred sixty-five".
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