Base | Representation |
---|---|
bin | 1110111100111000101 |
3 | 220220001101 |
4 | 1313213011 |
5 | 111134200 |
6 | 14300101 |
7 | 4110232 |
oct | 1674705 |
9 | 826041 |
10 | 489925 |
11 | 3050a7 |
12 | 1b7631 |
13 | 141cc7 |
14 | ca789 |
15 | 9a26a |
hex | 779c5 |
489925 has 6 divisors (see below), whose sum is σ = 607538. Its totient is φ = 391920.
The previous prime is 489913. The next prime is 489941. The reversal of 489925 is 529984.
It can be written as a sum of positive squares in 3 ways, for example, as 17956 + 471969 = 134^2 + 687^2 .
It is a de Polignac number, because none of the positive numbers 2k-489925 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9774 + ... + 9823.
2489925 is an apocalyptic number.
It is an amenable number.
489925 is a deficient number, since it is larger than the sum of its proper divisors (117613).
489925 is a wasteful number, since it uses less digits than its factorization.
489925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19607 (or 19602 counting only the distinct ones).
The product of its digits is 25920, while the sum is 37.
The square root of 489925 is about 699.9464265213. The cubic root of 489925 is about 78.8333291120.
The spelling of 489925 in words is "four hundred eighty-nine thousand, nine hundred twenty-five".
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