Base | Representation |
---|---|
bin | 1110111100100001010 |
3 | 220212210110 |
4 | 1313210022 |
5 | 111132423 |
6 | 14255150 |
7 | 4106544 |
oct | 1674412 |
9 | 825713 |
10 | 489738 |
11 | 304a47 |
12 | 1b74b6 |
13 | 141bb2 |
14 | ca694 |
15 | 9a193 |
hex | 7790a |
489738 has 16 divisors (see below), whose sum is σ = 1011456. Its totient is φ = 157920.
The previous prime is 489733. The next prime is 489743. The reversal of 489738 is 837984.
It is an interprime number because it is at equal distance from previous prime (489733) and next prime (489743).
It is a junction number, because it is equal to n+sod(n) for n = 489696 and 489705.
It is not an unprimeable number, because it can be changed into a prime (489733) by changing a digit.
489738 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131 + ... + 1502.
It is an arithmetic number, because the mean of its divisors is an integer number (63216).
2489738 is an apocalyptic number.
489738 is an abundant number, since it is smaller than the sum of its proper divisors (521718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489738 is a wasteful number, since it uses less digits than its factorization.
489738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2669.
The product of its digits is 48384, while the sum is 39.
The square root of 489738 is about 699.8128321201. The cubic root of 489738 is about 78.8232978429.
The spelling of 489738 in words is "four hundred eighty-nine thousand, seven hundred thirty-eight".
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