Base | Representation |
---|---|
bin | 11111011000010… |
… | …01011000110001 |
3 | 200100022112002020 |
4 | 33230021120301 |
5 | 1014341343100 |
6 | 42041542053 |
7 | 6344266251 |
oct | 1754113061 |
9 | 610275066 |
10 | 263231025 |
11 | 125650402 |
12 | 741a4929 |
13 | 426c5b05 |
14 | 26d61961 |
15 | 181995a0 |
hex | fb09631 |
263231025 has 24 divisors (see below), whose sum is σ = 435742944. Its totient is φ = 140217600.
The previous prime is 263230991. The next prime is 263231063. The reversal of 263231025 is 520132362.
263231025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 263231025 - 27 = 263230897 is a prime.
It is a super-5 number, since 5×2632310255 (a number of 43 digits) contains 55555 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 263230986 and 263231004.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80217 + ... + 83433.
It is an arithmetic number, because the mean of its divisors is an integer number (18155956).
Almost surely, 2263231025 is an apocalyptic number.
263231025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
263231025 is a deficient number, since it is larger than the sum of its proper divisors (172511919).
263231025 is a wasteful number, since it uses less digits than its factorization.
263231025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4321 (or 4316 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 263231025 is about 16224.3959825936. The cubic root of 263231025 is about 640.8834032715.
Adding to 263231025 its reverse (520132362), we get a palindrome (783363387).
The spelling of 263231025 in words is "two hundred sixty-three million, two hundred thirty-one thousand, twenty-five".
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