Base | Representation |
---|---|
bin | 11110011111001… |
… | …11101010110000 |
3 | 122211020120222220 |
4 | 33033213222300 |
5 | 1010433043010 |
6 | 41213401040 |
7 | 6223602135 |
oct | 1717475260 |
9 | 584216886 |
10 | 255752880 |
11 | 121402a19 |
12 | 71799180 |
13 | 40ca8086 |
14 | 25d7658c |
15 | 176bd970 |
hex | f3e7ab0 |
255752880 has 160 divisors (see below), whose sum is σ = 826447104. Its totient is φ = 65369088.
The previous prime is 255752867. The next prime is 255752891. The reversal of 255752880 is 88257552.
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 31 ways as a sum of consecutive naturals, for example, 736867 + ... + 737213.
Almost surely, 2255752880 is an apocalyptic number.
255752880 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 255752880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413223552).
255752880 is an abundant number, since it is smaller than the sum of its proper divisors (570694224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255752880 is a wasteful number, since it uses less digits than its factorization.
255752880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483 (or 477 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 42.
The square root of 255752880 is about 15992.2756354435. The cubic root of 255752880 is about 634.7560432667.
The spelling of 255752880 in words is "two hundred fifty-five million, seven hundred fifty-two thousand, eight hundred eighty".
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