Base | Representation |
---|---|
bin | 11110001100011… |
… | …01100010100011 |
3 | 122122121021211211 |
4 | 33012031202203 |
5 | 1004320132223 |
6 | 41044450551 |
7 | 6163620535 |
oct | 1706154243 |
9 | 578537754 |
10 | 253286563 |
11 | 11aa78a42 |
12 | 709a9a57 |
13 | 4062360a |
14 | 258d3855 |
15 | 17382d0d |
hex | f18d8a3 |
253286563 has 2 divisors, whose sum is σ = 253286564. Its totient is φ = 253286562.
The previous prime is 253286533. The next prime is 253286573. The reversal of 253286563 is 365682352.
253286563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 253286563 - 25 = 253286531 is a prime.
It is not a weakly prime, because it can be changed into another prime (253286503) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126643281 + 126643282.
It is an arithmetic number, because the mean of its divisors is an integer number (126643282).
Almost surely, 2253286563 is an apocalyptic number.
253286563 is a deficient number, since it is larger than the sum of its proper divisors (1).
253286563 is an equidigital number, since it uses as much as digits as its factorization.
253286563 is an evil number, because the sum of its binary digits is even.
The product of its digits is 259200, while the sum is 40.
The square root of 253286563 is about 15914.9792019971. The cubic root of 253286563 is about 632.7090555491.
The spelling of 253286563 in words is "two hundred fifty-three million, two hundred eighty-six thousand, five hundred sixty-three".
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