Base | Representation |
---|---|
bin | 10000000000111… |
… | …011110000110001 |
3 | 200201120101000001 |
4 | 100000323300301 |
5 | 1022240231431 |
6 | 42354430001 |
7 | 6441513214 |
oct | 2000736061 |
9 | 621511001 |
10 | 268680241 |
11 | 128732495 |
12 | 75b92301 |
13 | 438831bb |
14 | 2797d77b |
15 | 188c3e61 |
hex | 1003bc31 |
268680241 has 4 divisors (see below), whose sum is σ = 268714084. Its totient is φ = 268646400.
The previous prime is 268680239. The next prime is 268680263. The reversal of 268680241 is 142086862.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 217857600 + 50822641 = 14760^2 + 7129^2 .
It is a cyclic number.
It is not a de Polignac number, because 268680241 - 21 = 268680239 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 268680241.
It is not an unprimeable number, because it can be changed into a prime (268680271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2161 + ... + 23281.
It is an arithmetic number, because the mean of its divisors is an integer number (67178521).
Almost surely, 2268680241 is an apocalyptic number.
It is an amenable number.
268680241 is a deficient number, since it is larger than the sum of its proper divisors (33843).
268680241 is a wasteful number, since it uses less digits than its factorization.
268680241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33842.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 268680241 is about 16391.4685431172. The cubic root of 268680241 is about 645.2755996281.
The spelling of 268680241 in words is "two hundred sixty-eight million, six hundred eighty thousand, two hundred forty-one".
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