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489936384 = 293376183
BaseRepresentation
bin11101001100111…
…101011000000000
31021010220100101000
4131030331120000
52000410431014
6120341012000
715066250650
oct3514753000
91233810330
10489936384
11231613503
121180b4000
137a6705b2
14490d6360
152d02b509
hex1d33d600

489936384 has 320 divisors, whose sum is σ = 1704890880. Its totient is φ = 136028160.

The previous prime is 489936383. The next prime is 489936389. The reversal of 489936384 is 483639984.

It is a happy number.

It is a super-4 number, since 4×4899363844 (a number of 36 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 489936384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489936383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5902807 + ... + 5902889.

It is an arithmetic number, because the mean of its divisors is an integer number (5327784).

Almost surely, 2489936384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489936384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852445440).

489936384 is an abundant number, since it is smaller than the sum of its proper divisors (1214954496).

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

489936384 is an equidigital number, since it uses as much as digits as its factorization.

489936384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 156 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 489936384 is about 22134.5066355679. The cubic root of 489936384 is about 788.3393970315.

The spelling of 489936384 in words is "four hundred eighty-nine million, nine hundred thirty-six thousand, three hundred eighty-four".