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489834 = 23347193
BaseRepresentation
bin1110111100101101010
3220212221000
41313211222
5111133314
614255430
74110042
oct1674552
9825830
10489834
11305024
121b7576
13141c57
14ca722
159a209
hex7796a

489834 has 32 divisors (see below), whose sum is σ = 1117440. Its totient is φ = 158976.

The previous prime is 489833. The next prime is 489847. The reversal of 489834 is 438984.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (34920).

2489834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558720).

489834 is an abundant number, since it is smaller than the sum of its proper divisors (627606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489834 is a wasteful number, since it uses less digits than its factorization.

489834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 489834 is about 699.8814185275. The cubic root of 489834 is about 78.8284479042.

The spelling of 489834 in words is "four hundred eighty-nine thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 47 54 94 141 193 282 386 423 579 846 1158 1269 1737 2538 3474 5211 9071 10422 18142 27213 54426 81639 163278 244917 489834