Base | Representation |
---|---|
bin | 11111000001111010001001 |
3 | 120022021010200 |
4 | 133001322021 |
5 | 4040244111 |
6 | 450202413 |
7 | 126066051 |
oct | 37017211 |
9 | 16267120 |
10 | 8134281 |
11 | 4656451 |
12 | 2883409 |
13 | 18ba5ac |
14 | 111a561 |
15 | aaa256 |
hex | 7c1e89 |
8134281 has 12 divisors (see below), whose sum is σ = 11971908. Its totient is φ = 5320224.
The previous prime is 8134229. The next prime is 8134303. The reversal of 8134281 is 1824318.
8134281 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 4447881 + 3686400 = 2109^2 + 1920^2 .
It is a de Polignac number, because none of the positive numbers 2k-8134281 is a prime.
It is a super-2 number, since 2×81342812 = 132333054773922, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
8134281 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8134201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8050 + ... + 9003.
It is an arithmetic number, because the mean of its divisors is an integer number (997659).
Almost surely, 28134281 is an apocalyptic number.
It is an amenable number.
8134281 is a deficient number, since it is larger than the sum of its proper divisors (3837627).
8134281 is a wasteful number, since it uses less digits than its factorization.
8134281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17112 (or 17109 counting only the distinct ones).
The product of its digits is 1536, while the sum is 27.
The square root of 8134281 is about 2852.0660932033. The cubic root of 8134281 is about 201.1128051730.
Adding to 8134281 its reverse (1824318), we get a palindrome (9958599).
The spelling of 8134281 in words is "eight million, one hundred thirty-four thousand, two hundred eighty-one".
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