Base | Representation |
---|---|
bin | 1110111011001101001 |
3 | 220211212112 |
4 | 1313121221 |
5 | 111122230 |
6 | 14252105 |
7 | 4104563 |
oct | 1673151 |
9 | 824775 |
10 | 489065 |
11 | 304495 |
12 | 1b7035 |
13 | 1417b5 |
14 | ca333 |
15 | 99d95 |
hex | 77669 |
489065 has 4 divisors (see below), whose sum is σ = 586884. Its totient is φ = 391248.
The previous prime is 489061. The next prime is 489101. The reversal of 489065 is 560984.
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 246016 + 243049 = 496^2 + 493^2 .
It is a cyclic number.
It is not a de Polignac number, because 489065 - 22 = 489061 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (489061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48902 + ... + 48911.
It is an arithmetic number, because the mean of its divisors is an integer number (146721).
2489065 is an apocalyptic number.
It is an amenable number.
489065 is a deficient number, since it is larger than the sum of its proper divisors (97819).
489065 is an equidigital number, since it uses as much as digits as its factorization.
489065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97818.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 489065 is about 699.3318239577. The cubic root of 489065 is about 78.7871748562.
The spelling of 489065 in words is "four hundred eighty-nine thousand, sixty-five".
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