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489109320 = 233357312087
BaseRepresentation
bin11101001001110…
…011011101001000
31021002100022212000
4131021303131020
52000202444240
6120311151000
715056234460
oct3511633510
91232308760
10489109320
112310a9087
12117975460
137a440ccb
1448d5cba0
152ce16430
hex1d273748

489109320 has 256 divisors, whose sum is σ = 1924300800. Its totient is φ = 108138240.

The previous prime is 489109301. The next prime is 489109333. The reversal of 489109320 is 23901984.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233317 + ... + 235403.

It is an arithmetic number, because the mean of its divisors is an integer number (7516800).

Almost surely, 2489109320 is an apocalyptic number.

489109320 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 489109320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962150400).

489109320 is an abundant number, since it is smaller than the sum of its proper divisors (1435191480).

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

489109320 is a wasteful number, since it uses less digits than its factorization.

489109320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 489109320 is about 22115.8160600056. The cubic root of 489109320 is about 787.8955473221.

The spelling of 489109320 in words is "four hundred eighty-nine million, one hundred nine thousand, three hundred twenty".