Base | Representation |
---|---|
bin | 1110111010110111010 |
3 | 220211122001 |
4 | 1313112322 |
5 | 111121030 |
6 | 14251214 |
7 | 4104223 |
oct | 1672672 |
9 | 824561 |
10 | 488890 |
11 | 304346 |
12 | 1b6b0a |
13 | 1416ac |
14 | ca24a |
15 | 99cca |
hex | 775ba |
488890 has 8 divisors (see below), whose sum is σ = 880020. Its totient is φ = 195552.
The previous prime is 488879. The next prime is 488893. The reversal of 488890 is 98884.
It can be written as a sum of positive squares in 2 ways, for example, as 488601 + 289 = 699^2 + 17^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (488893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24435 + ... + 24454.
2488890 is an apocalyptic number.
488890 is a deficient number, since it is larger than the sum of its proper divisors (391130).
488890 is a wasteful number, since it uses less digits than its factorization.
488890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48896.
The product of its (nonzero) digits is 18432, while the sum is 37.
The square root of 488890 is about 699.2066933318. The cubic root of 488890 is about 78.7777763779. Note that the first 5 decimals are identical.
It can be divided in two parts, 488 and 890, that added together give a triangular number (1378 = T52).
The spelling of 488890 in words is "four hundred eighty-eight thousand, eight hundred ninety".
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