Base | Representation |
---|---|
bin | 11110011100111… |
… | …10111000000000 |
3 | 122210200102222221 |
4 | 33032132320000 |
5 | 1010344022340 |
6 | 41203140424 |
7 | 6221220643 |
oct | 1716367000 |
9 | 583612887 |
10 | 255454720 |
11 | 121219a04 |
12 | 71674714 |
13 | 40c02451 |
14 | 25cd9a5a |
15 | 1766044a |
hex | f39ee00 |
255454720 has 40 divisors (see below), whose sum is σ = 612498744. Its totient is φ = 102180864.
The previous prime is 255454709. The next prime is 255454747. The reversal of 255454720 is 27454552.
255454720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×2554547203 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47334 + ... + 52453.
Almost surely, 2255454720 is an apocalyptic number.
255454720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
255454720 is an abundant number, since it is smaller than the sum of its proper divisors (357044024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255454720 is an frugal number, since it uses more digits than its factorization.
255454720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99810 (or 99794 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 34.
The square root of 255454720 is about 15982.9509165235. The cubic root of 255454720 is about 634.5092784257.
The spelling of 255454720 in words is "two hundred fifty-five million, four hundred fifty-four thousand, seven hundred twenty".
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