Base | Representation |
---|---|
bin | 11111111100101… |
… | …11010110111001 |
3 | 200200022011021022 |
4 | 33332113112321 |
5 | 1022102204331 |
6 | 42332152225 |
7 | 6433010024 |
oct | 1776272671 |
9 | 620264238 |
10 | 268006841 |
11 | 128312563 |
12 | 75908675 |
13 | 436a883b |
14 | 278461bb |
15 | 187de67b |
hex | ff975b9 |
268006841 has 8 divisors (see below), whose sum is σ = 269787144. Its totient is φ = 266232960.
The previous prime is 268006813. The next prime is 268006847. The reversal of 268006841 is 148600862.
It can be written as a sum of positive squares in 4 ways, for example, as 54700816 + 213306025 = 7396^2 + 14605^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-268006841 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (268006847) 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, 103535 + ... + 106091.
It is an arithmetic number, because the mean of its divisors is an integer number (33723393).
Almost surely, 2268006841 is an apocalyptic number.
It is an amenable number.
268006841 is a deficient number, since it is larger than the sum of its proper divisors (1780303).
268006841 is a wasteful number, since it uses less digits than its factorization.
268006841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3211.
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 268006841 is about 16370.9144827038. The cubic root of 268006841 is about 644.7360585032.
The spelling of 268006841 in words is "two hundred sixty-eight million, six thousand, eight hundred forty-one".
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