Base | Representation |
---|---|
bin | 11001100110011011001101 |
3 | 110121221202011 |
4 | 121212123031 |
5 | 3204222424 |
6 | 355501221 |
7 | 111020365 |
oct | 31463315 |
9 | 13557664 |
10 | 6710989 |
11 | 387407a |
12 | 22b7811 |
13 | 150c7cc |
14 | c699a5 |
15 | 8c8694 |
hex | 6666cd |
6710989 has 4 divisors (see below), whose sum is σ = 6853824. Its totient is φ = 6568156.
The previous prime is 6710983. The next prime is 6711011. The reversal of 6710989 is 9890176.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 6710989 - 217 = 6579917 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6710983) 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, 71347 + ... + 71440.
It is an arithmetic number, because the mean of its divisors is an integer number (1713456).
Almost surely, 26710989 is an apocalyptic number.
It is an amenable number.
6710989 is a deficient number, since it is larger than the sum of its proper divisors (142835).
6710989 is a wasteful number, since it uses less digits than its factorization.
6710989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142834.
The product of its (nonzero) digits is 27216, while the sum is 40.
The square root of 6710989 is about 2590.5576619716. The cubic root of 6710989 is about 188.6233739825.
The spelling of 6710989 in words is "six million, seven hundred ten thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •