Base | Representation |
---|---|
bin | 11000110000101110010110 |
3 | 110012210000112 |
4 | 120300232112 |
5 | 3130203110 |
6 | 351043022 |
7 | 106113200 |
oct | 30605626 |
9 | 13183015 |
10 | 6491030 |
11 | 3733897 |
12 | 2210472 |
13 | 1463660 |
14 | c0d770 |
15 | 883405 |
hex | 630b96 |
6491030 has 48 divisors (see below), whose sum is σ = 14651280. Its totient is φ = 2052288.
The previous prime is 6491011. The next prime is 6491039. The reversal of 6491030 is 301946.
It is a junction number, because it is equal to n+sod(n) for n = 6490987 and 6491005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6491039) 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 23 ways as a sum of consecutive naturals, for example, 5861 + ... + 6879.
It is an arithmetic number, because the mean of its divisors is an integer number (305235).
Almost surely, 26491030 is an apocalyptic number.
6491030 is an abundant number, since it is smaller than the sum of its proper divisors (8160250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6491030 is a wasteful number, since it uses less digits than its factorization.
6491030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1053 (or 1046 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 6491030 is about 2547.7499877343. The cubic root of 6491030 is about 186.5396705640.
Adding to 6491030 its reverse (301946), we get a palindrome (6792976).
The spelling of 6491030 in words is "six million, four hundred ninety-one thousand, thirty".
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