Base | Representation |
---|---|
bin | 11111100010110001010001 |
3 | 120120002202212 |
4 | 133202301101 |
5 | 4104101011 |
6 | 453121505 |
7 | 130166345 |
oct | 37426121 |
9 | 16502685 |
10 | 8268881 |
11 | 4738595 |
12 | 2929295 |
13 | 193693a |
14 | 1153625 |
15 | ad508b |
hex | 7e2c51 |
8268881 has 4 divisors (see below), whose sum is σ = 8316852. Its totient is φ = 8220912.
The previous prime is 8268863. The next prime is 8268889. The reversal of 8268881 is 1888628.
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 5958481 + 2310400 = 2441^2 + 1520^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8268881 is a prime.
It is a super-2 number, since 2×82688812 = 136748785984322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8268889) 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, 23726 + ... + 24071.
It is an arithmetic number, because the mean of its divisors is an integer number (2079213).
Almost surely, 28268881 is an apocalyptic number.
It is an amenable number.
8268881 is a deficient number, since it is larger than the sum of its proper divisors (47971).
8268881 is a wasteful number, since it uses less digits than its factorization.
8268881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47970.
The product of its digits is 49152, while the sum is 41.
The square root of 8268881 is about 2875.5662051151. The cubic root of 8268881 is about 202.2160303600.
The spelling of 8268881 in words is "eight million, two hundred sixty-eight thousand, eight hundred eighty-one".
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