Base | Representation |
---|---|
bin | 11101001010000… |
… | …101010111100000 |
3 | 1021002111001111100 |
4 | 131022011113200 |
5 | 2000212321223 |
6 | 120312514400 |
7 | 15056661411 |
oct | 3512052740 |
9 | 1232431440 |
10 | 489182688 |
11 | 231149215 |
12 | 1179aba00 |
13 | 7a468517 |
14 | 48d7b808 |
15 | 2ce2d043 |
hex | 1d2855e0 |
489182688 has 72 divisors (see below), whose sum is σ = 1414740600. Its totient is φ = 160291584.
The previous prime is 489182677. The next prime is 489182719. The reversal of 489182688 is 886281984.
489182688 is a `hidden beast` number, since 489 + 1 + 82 + 6 + 88 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 2598 + ... + 31386.
It is an arithmetic number, because the mean of its divisors is an integer number (19649175).
Almost surely, 2489182688 is an apocalyptic number.
489182688 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 489182688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707370300).
489182688 is an abundant number, since it is smaller than the sum of its proper divisors (925557912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489182688 is a wasteful number, since it uses less digits than its factorization.
489182688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28864 (or 28853 counting only the distinct ones).
The product of its digits is 1769472, while the sum is 54.
The square root of 489182688 is about 22117.4747202297. The cubic root of 489182688 is about 787.9349409900.
The spelling of 489182688 in words is "four hundred eighty-nine million, one hundred eighty-two thousand, six hundred eighty-eight".
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