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489521088 = 26327167727
BaseRepresentation
bin11101001011010…
…111111111000000
31021010010020200200
4131023113333000
52000304133323
6120324045200
715062601120
oct3513277700
91233106620
10489521088
1123135a491
12117b33800
137a556564
1449028c80
152ce98443
hex1d2d7fc0

489521088 has 168 divisors, whose sum is σ = 1615391232. Its totient is φ = 138834432.

The previous prime is 489521077. The next prime is 489521129. The reversal of 489521088 is 880125984.

It is a happy number.

489521088 is a `hidden beast` number, since 48 + 9 + 521 + 0 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672981 + ... + 673707.

It is an arithmetic number, because the mean of its divisors is an integer number (9615424).

Almost surely, 2489521088 is an apocalyptic number.

489521088 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 489521088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807695616).

489521088 is an abundant number, since it is smaller than the sum of its proper divisors (1125870144).

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

489521088 is a wasteful number, since it uses less digits than its factorization.

489521088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 489521088 is about 22125.1234572827. The cubic root of 489521088 is about 788.1165880042.

The spelling of 489521088 in words is "four hundred eighty-nine million, five hundred twenty-one thousand, eighty-eight".