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489438 = 23227191
BaseRepresentation
bin1110111011111011110
3220212101100
41313133132
5111130223
614253530
74105635
oct1673736
9825340
10489438
113047a4
121b72a6
13141a11
14ca51c
159a043
hex777de

489438 has 12 divisors (see below), whose sum is σ = 1060488. Its totient is φ = 163140.

The previous prime is 489431. The next prime is 489439. The reversal of 489438 is 834984.

489438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13578 + ... + 13613.

It is an arithmetic number, because the mean of its divisors is an integer number (88374).

2489438 is an apocalyptic number.

489438 is an abundant number, since it is smaller than the sum of its proper divisors (571050).

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

489438 is a wasteful number, since it uses less digits than its factorization.

489438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27199 (or 27196 counting only the distinct ones).

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

The square root of 489438 is about 699.5984562590. The cubic root of 489438 is about 78.8071995621.

The spelling of 489438 in words is "four hundred eighty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27191 54382 81573 163146 244719 489438