Base | Representation |
---|---|
bin | 11110011011001… |
… | …01100110011101 |
3 | 122210020112012020 |
4 | 33031211212131 |
5 | 1010314021000 |
6 | 41154130353 |
7 | 6216222666 |
oct | 1715454635 |
9 | 583215166 |
10 | 255220125 |
11 | 121079726 |
12 | 715809b9 |
13 | 40b4c734 |
14 | 25c7836d |
15 | 17615ba0 |
hex | f36599d |
255220125 has 16 divisors (see below), whose sum is σ = 424686912. Its totient is φ = 136117200.
The previous prime is 255220111. The next prime is 255220129. The reversal of 255220125 is 521022552.
It is not a de Polignac number, because 255220125 - 24 = 255220109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 255220095 and 255220104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255220129) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 339919 + ... + 340668.
It is an arithmetic number, because the mean of its divisors is an integer number (26542932).
Almost surely, 2255220125 is an apocalyptic number.
255220125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
255220125 is a deficient number, since it is larger than the sum of its proper divisors (169466787).
255220125 is an equidigital number, since it uses as much as digits as its factorization.
255220125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 680605 (or 680595 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 255220125 is about 15975.6103169801. The cubic root of 255220125 is about 634.3149865979.
Adding to 255220125 its reverse (521022552), we get a palindrome (776242677).
The spelling of 255220125 in words is "two hundred fifty-five million, two hundred twenty thousand, one hundred twenty-five".
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