| Base | Representation |
|---|---|
| bin | 11111101111111… |
| … | …01110101100000 |
| 3 | 200120010221022100 |
| 4 | 33313331311200 |
| 5 | 1021140020230 |
| 6 | 42232210400 |
| 7 | 6412522446 |
| oct | 1767756540 |
| 9 | 616127270 |
| 10 | 266329440 |
| 11 | 127377283 |
| 12 | 75239a00 |
| 13 | 4323c1b0 |
| 14 | 2752ab96 |
| 15 | 185ac660 |
| hex | fdfdd60 |
266329440 has 288 divisors, whose sum is σ = 1005522336. Its totient is φ = 63774720.
The previous prime is 266329439. The next prime is 266329471. The reversal of 266329440 is 44923662.
It is a tau number, because it is divible by the number of its divisors (288).
It is a super-3 number, since 3×2663294403 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 266329395 and 266329404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 767347 + ... + 767693.
It is an arithmetic number, because the mean of its divisors is an integer number (3491397).
Almost surely, 2266329440 is an apocalyptic number.
266329440 is a gapful number since it is divisible by the number (20) 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 266329440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502761168).
266329440 is an abundant number, since it is smaller than the sum of its proper divisors (739192896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
266329440 is a wasteful number, since it uses less digits than its factorization.
266329440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 422 (or 411 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 36.
The square root of 266329440 is about 16319.6029363462. The cubic root of 266329440 is about 643.3881513122.
The spelling of 266329440 in words is "two hundred sixty-six million, three hundred twenty-nine thousand, four hundred forty".
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