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489795798 = 2381632633
BaseRepresentation
bin11101001100011…
…011000011010110
31021010122012112010
4131030123003112
52000341431143
6120334005050
715065124042
oct3514330326
91233565463
10489795798
11231527918
12118046786
137a6215cb
144909b022
152ceeea33
hex1d31b0d6

489795798 has 8 divisors (see below), whose sum is σ = 979591608. Its totient is φ = 163265264.

The previous prime is 489795793. The next prime is 489795809. The reversal of 489795798 is 897597984.

It is a sphenic number, since it is the product of 3 distinct primes.

489795798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489795791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40816311 + ... + 40816322.

It is an arithmetic number, because the mean of its divisors is an integer number (122448951).

Almost surely, 2489795798 is an apocalyptic number.

489795798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

489795798 is a wasteful number, since it uses less digits than its factorization.

489795798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81632638.

The product of its digits is 45722880, while the sum is 66.

The square root of 489795798 is about 22131.3306875118. The cubic root of 489795798 is about 788.2639858226.

The spelling of 489795798 in words is "four hundred eighty-nine million, seven hundred ninety-five thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 81632633 163265266 244897899 489795798