Base | Representation |
---|---|
bin | 1110111011100100001 |
3 | 220212010100 |
4 | 1313130201 |
5 | 111123444 |
6 | 14253013 |
7 | 4105245 |
oct | 1673441 |
9 | 825110 |
10 | 489249 |
11 | 304642 |
12 | 1b7169 |
13 | 1418c7 |
14 | ca425 |
15 | 99e69 |
hex | 77721 |
489249 has 6 divisors (see below), whose sum is σ = 706706. Its totient is φ = 326160.
The previous prime is 489241. The next prime is 489257. The reversal of 489249 is 942984.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (489241) and next prime (489257).
It can be written as a sum of positive squares in only one way, i.e., 431649 + 57600 = 657^2 + 240^2 .
It is not a de Polignac number, because 489249 - 23 = 489241 is a prime.
It is a Duffinian number.
It is a plaindrome in base 5.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (489241) 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 5 ways as a sum of consecutive naturals, for example, 27172 + ... + 27189.
2489249 is an apocalyptic number.
It is an amenable number.
489249 is a deficient number, since it is larger than the sum of its proper divisors (217457).
489249 is a wasteful number, since it uses less digits than its factorization.
489249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54367 (or 54364 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 489249 is about 699.4633657312. The cubic root of 489249 is about 78.7970542673.
It can be divided in two parts, 4 and 89249, that added together give a triangular number (89253 = T422).
The spelling of 489249 in words is "four hundred eighty-nine thousand, two hundred forty-nine".
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