Base | Representation |
---|---|
bin | 11111111111100… |
… | …11110000011011 |
3 | 200201000101102120 |
4 | 33333303300123 |
5 | 1022201312212 |
6 | 42344232323 |
7 | 6436144311 |
oct | 1777636033 |
9 | 621011376 |
10 | 268385307 |
11 | 128550943 |
12 | 75a6b6a3 |
13 | 437abb98 |
14 | 279040b1 |
15 | 1886688c |
hex | fff3c1b |
268385307 has 8 divisors (see below), whose sum is σ = 378896976. Its totient is φ = 168398592.
The previous prime is 268385297. The next prime is 268385353. The reversal of 268385307 is 703583862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 268385307 - 24 = 268385291 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (268385387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631178 + ... + 2631279.
It is an arithmetic number, because the mean of its divisors is an integer number (47362122).
Almost surely, 2268385307 is an apocalyptic number.
268385307 is a deficient number, since it is larger than the sum of its proper divisors (110511669).
268385307 is a wasteful number, since it uses less digits than its factorization.
268385307 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5262477.
The product of its (nonzero) digits is 241920, while the sum is 42.
The square root of 268385307 is about 16382.4695024895. The cubic root of 268385307 is about 645.0394038784.
It can be divided in two parts, 2683 and 85307, that added together give a triangular number (87990 = T419).
The spelling of 268385307 in words is "two hundred sixty-eight million, three hundred eighty-five thousand, three hundred seven".
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