Base | Representation |
---|---|
bin | 11110001000100… |
… | …11011001001101 |
3 | 122121122212112211 |
4 | 33010103121031 |
5 | 1004203130003 |
6 | 41030030421 |
7 | 6156435106 |
oct | 1704233115 |
9 | 577585484 |
10 | 252786253 |
11 | 11a767065 |
12 | 707a8411 |
13 | 404a9985 |
14 | 258033ad |
15 | 172d496d |
hex | f11364d |
252786253 has 2 divisors, whose sum is σ = 252786254. Its totient is φ = 252786252.
The previous prime is 252786239. The next prime is 252786269. The reversal of 252786253 is 352687252.
252786253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 142157929 + 110628324 = 11923^2 + 10518^2 .
It is a cyclic number.
It is not a de Polignac number, because 252786253 - 25 = 252786221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252786223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126393126 + 126393127.
It is an arithmetic number, because the mean of its divisors is an integer number (126393127).
Almost surely, 2252786253 is an apocalyptic number.
It is an amenable number.
252786253 is a deficient number, since it is larger than the sum of its proper divisors (1).
252786253 is an equidigital number, since it uses as much as digits as its factorization.
252786253 is an evil number, because the sum of its binary digits is even.
The product of its digits is 201600, while the sum is 40.
The square root of 252786253 is about 15899.2532214567. The cubic root of 252786253 is about 632.2921900070.
Subtracting 252786253 from its reverse (352687252), we obtain a palindrome (99900999).
The spelling of 252786253 in words is "two hundred fifty-two million, seven hundred eighty-six thousand, two hundred fifty-three".
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