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489861120 = 2123571767
BaseRepresentation
bin11101001100101…
…011000000000000
31021010202112010110
4131030223000000
52000401023440
6120335231320
715065515350
oct3514530000
91233675113
10489861120
11231571a01
12118078540
137a645268
14490b6b60
152d014080
hex1d32b000

489861120 has 416 divisors, whose sum is σ = 1924950528. Its totient is φ = 103809024.

The previous prime is 489861089. The next prime is 489861121. The reversal of 489861120 is 21168984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489861121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7311327 + ... + 7311393.

Almost surely, 2489861120 is an apocalyptic number.

489861120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489861120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962475264).

489861120 is an abundant number, since it is smaller than the sum of its proper divisors (1435089408).

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

489861120 is a wasteful number, since it uses less digits than its factorization.

489861120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 489861120 is about 22132.8064194309. The cubic root of 489861120 is about 788.2990267461.

The spelling of 489861120 in words is "four hundred eighty-nine million, eight hundred sixty-one thousand, one hundred twenty".