Base | Representation |
---|---|
bin | 11110011010010… |
… | …00101110100100 |
3 | 122210000111222001 |
4 | 33031020232210 |
5 | 1010301224420 |
6 | 41151415044 |
7 | 6215221126 |
oct | 1715105644 |
9 | 583014861 |
10 | 255101860 |
11 | 120aa8892 |
12 | 71524484 |
13 | 40b0a960 |
14 | 25c47216 |
15 | 175e0b0a |
hex | f348ba4 |
255101860 has 48 divisors (see below), whose sum is σ = 579128256. Its totient is φ = 93831552.
The previous prime is 255101849. The next prime is 255101863. The reversal of 255101860 is 68101552.
255101860 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2551018603 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (255101863) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71847 + ... + 75313.
It is an arithmetic number, because the mean of its divisors is an integer number (12065172).
Almost surely, 2255101860 is an apocalyptic number.
255101860 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 255101860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289564128).
255101860 is an abundant number, since it is smaller than the sum of its proper divisors (324026396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255101860 is a wasteful number, since it uses less digits than its factorization.
255101860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3772 (or 3770 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 28.
The square root of 255101860 is about 15971.9084645511. The cubic root of 255101860 is about 634.2169942575.
The spelling of 255101860 in words is "two hundred fifty-five million, one hundred one thousand, eight hundred sixty".
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