Base | Representation |
---|---|
bin | 11111010110111… |
… | …11111011111001 |
3 | 200022222220011221 |
4 | 33223133323321 |
5 | 1014320424431 |
6 | 42034152041 |
7 | 6342661252 |
oct | 1753377371 |
9 | 608886157 |
10 | 263061241 |
11 | 125544893 |
12 | 74122621 |
13 | 42666751 |
14 | 26d19b29 |
15 | 18164111 |
hex | fadfef9 |
263061241 has 4 divisors (see below), whose sum is σ = 263997684. Its totient is φ = 262124800.
The previous prime is 263061217. The next prime is 263061259. The reversal of 263061241 is 142160362.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 146313216 + 116748025 = 12096^2 + 10805^2 .
It is a cyclic number.
It is not a de Polignac number, because 263061241 - 223 = 254672633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (263061041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467800 + ... + 468361.
It is an arithmetic number, because the mean of its divisors is an integer number (65999421).
Almost surely, 2263061241 is an apocalyptic number.
It is an amenable number.
263061241 is a deficient number, since it is larger than the sum of its proper divisors (936443).
263061241 is an equidigital number, since it uses as much as digits as its factorization.
263061241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 936442.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 263061241 is about 16219.1627712407. The cubic root of 263061241 is about 640.7455837134.
The spelling of 263061241 in words is "two hundred sixty-three million, sixty-one thousand, two hundred forty-one".
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