Base | Representation |
---|---|
bin | 1110111011001100101 |
3 | 220211212101 |
4 | 1313121211 |
5 | 111122221 |
6 | 14252101 |
7 | 4104556 |
oct | 1673145 |
9 | 824771 |
10 | 489061 |
11 | 304491 |
12 | 1b7031 |
13 | 1417b1 |
14 | ca32d |
15 | 99d91 |
hex | 77665 |
489061 has 2 divisors, whose sum is σ = 489062. Its totient is φ = 489060.
The previous prime is 489053. The next prime is 489101. The reversal of 489061 is 160984.
It is the 286-th star number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 245025 + 244036 = 495^2 + 494^2 .
It is a cyclic number.
It is not a de Polignac number, because 489061 - 23 = 489053 is a prime.
It is a Chen prime.
It is an Ulam number.
It is a nialpdrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (489001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244530 + 244531.
It is an arithmetic number, because the mean of its divisors is an integer number (244531).
2489061 is an apocalyptic number.
489061 is the 495-th centered square number.
It is an amenable number.
489061 is a deficient number, since it is larger than the sum of its proper divisors (1).
489061 is an equidigital number, since it uses as much as digits as its factorization.
489061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 489061 is about 699.3289640791. The cubic root of 489061 is about 78.7869600589.
The spelling of 489061 in words is "four hundred eighty-nine thousand, sixty-one".
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