Base | Representation |
---|---|
bin | 1110111100010010100 |
3 | 220212122002 |
4 | 1313202110 |
5 | 111131440 |
6 | 14254432 |
7 | 4106315 |
oct | 1674224 |
9 | 825562 |
10 | 489620 |
11 | 30494a |
12 | 1b7418 |
13 | 141b21 |
14 | ca60c |
15 | 9a115 |
hex | 77894 |
489620 has 12 divisors (see below), whose sum is σ = 1028244. Its totient is φ = 195840.
The previous prime is 489613. The next prime is 489631. The reversal of 489620 is 26984.
It can be written as a sum of positive squares in 2 ways, for example, as 64516 + 425104 = 254^2 + 652^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12221 + ... + 12260.
It is an arithmetic number, because the mean of its divisors is an integer number (85687).
2489620 is an apocalyptic number.
It is an amenable number.
489620 is an abundant number, since it is smaller than the sum of its proper divisors (538624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489620 is a wasteful number, since it uses less digits than its factorization.
489620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24490 (or 24488 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 489620 is about 699.7285187842. The cubic root of 489620 is about 78.8169666370.
The spelling of 489620 in words is "four hundred eighty-nine thousand, six hundred twenty".
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