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489876 = 22340823
BaseRepresentation
bin1110111100110010100
3220212222120
41313212110
5111134001
614255540
74110132
oct1674624
9825876
10489876
11305062
121b75b0
13141c8a
14ca752
159a236
hex77994

489876 has 12 divisors (see below), whose sum is σ = 1143072. Its totient is φ = 163288.

The previous prime is 489871. The next prime is 489887. The reversal of 489876 is 678984.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 (489871) by changing a digit.

489876 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20400 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (95256).

2489876 is an apocalyptic number.

It is an amenable number.

489876 is an abundant number, since it is smaller than the sum of its proper divisors (653196).

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

489876 is a wasteful number, since it uses less digits than its factorization.

489876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40830 (or 40828 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 489876 is about 699.9114229672. The cubic root of 489876 is about 78.8307008444.

The spelling of 489876 in words is "four hundred eighty-nine thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 40823 81646 122469 163292 244938 489876