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489822288 = 2434325519
BaseRepresentation
bin11101001100100…
…001100001010000
31021010200112212020
4131030201201100
52000343303123
6120334331440
715065264214
oct3514414120
91233615766
10489822288
1123154580a
12118059b80
137a630697
14490a6944
152d0077e3
hex1d321850

489822288 has 60 divisors (see below), whose sum is σ = 1295720640. Its totient is φ = 159448128.

The previous prime is 489822287. The next prime is 489822293. The reversal of 489822288 is 882228984.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 489822288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489822287) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 85993 + ... + 91511.

It is an arithmetic number, because the mean of its divisors is an integer number (21595344).

Almost surely, 2489822288 is an apocalyptic number.

489822288 is a gapful number since it is divisible by the number (48) 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 489822288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647860320).

489822288 is an abundant number, since it is smaller than the sum of its proper divisors (805898352).

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

489822288 is a wasteful number, since it uses less digits than its factorization.

489822288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616 (or 5567 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 51.

The square root of 489822288 is about 22131.9291522452. The cubic root of 489822288 is about 788.2781963274.

The spelling of 489822288 in words is "four hundred eighty-nine million, eight hundred twenty-two thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 688 1032 1849 2064 3698 5519 5547 7396 11038 11094 14792 16557 22076 22188 29584 33114 44152 44376 66228 88304 88752 132456 237317 264912 474634 711951 949268 1423902 1898536 2847804 3797072 5695608 10204631 11391216 20409262 30613893 40818524 61227786 81637048 122455572 163274096 244911144 489822288