Base | Representation |
---|---|
bin | 11101000010011… |
… | …010111000110000 |
3 | 1020221200222122122 |
4 | 131002122320300 |
5 | 1444204024210 |
6 | 120201453412 |
7 | 15033623300 |
oct | 3502327060 |
9 | 1227628578 |
10 | 487173680 |
11 | 22aaa6884 |
12 | 1171a1268 |
13 | 79c13c66 |
14 | 489b7600 |
15 | 2cb82b55 |
hex | 1d09ae30 |
487173680 has 240 divisors, whose sum is σ = 1438479360. Its totient is φ = 152409600.
The previous prime is 487173677. The next prime is 487173751. The reversal of 487173680 is 86371784.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 2308775 + ... + 2308985.
It is an arithmetic number, because the mean of its divisors is an integer number (5993664).
Almost surely, 2487173680 is an apocalyptic number.
487173680 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 487173680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719239680).
487173680 is an abundant number, since it is smaller than the sum of its proper divisors (951305680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487173680 is a wasteful number, since it uses less digits than its factorization.
487173680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288 (or 275 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 44.
The square root of 487173680 is about 22072.0112359522. The cubic root of 487173680 is about 786.8548131162.
The spelling of 487173680 in words is "four hundred eighty-seven million, one hundred seventy-three thousand, six hundred eighty".
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