Base | Representation |
---|---|
bin | 11101110101101… |
… | …01101011001111 |
3 | 122102222211020010 |
4 | 32322311223033 |
5 | 1003034231411 |
6 | 40500524303 |
7 | 6126362601 |
oct | 1672655317 |
9 | 572884203 |
10 | 250305231 |
11 | 119322030 |
12 | 6b9b0693 |
13 | 3cb1b607 |
14 | 25359171 |
15 | 16e947a6 |
hex | eeb5acf |
250305231 has 16 divisors (see below), whose sum is σ = 364347648. Its totient is φ = 151588800.
The previous prime is 250305227. The next prime is 250305239. The reversal of 250305231 is 132503052.
It is not a de Polignac number, because 250305231 - 22 = 250305227 is a prime.
It is a super-2 number, since 2×2503052312 = 125305417331926722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 250305198 and 250305207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250305239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76846 + ... + 80036.
It is an arithmetic number, because the mean of its divisors is an integer number (22771728).
Almost surely, 2250305231 is an apocalyptic number.
250305231 is a deficient number, since it is larger than the sum of its proper divisors (114042417).
250305231 is a wasteful number, since it uses less digits than its factorization.
250305231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5582.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 250305231 is about 15821.0376081975. The cubic root of 250305231 is about 630.2167986535.
Adding to 250305231 its reverse (132503052), we get a palindrome (382808283).
The spelling of 250305231 in words is "two hundred fifty million, three hundred five thousand, two hundred thirty-one".
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