Base | Representation |
---|---|
bin | 1001110011011… |
… | …00011110001111 |
3 | 12201201212210020 |
4 | 10321230132033 |
5 | 132022430411 |
6 | 12054313223 |
7 | 2015654013 |
oct | 471543617 |
9 | 181655706 |
10 | 82233231 |
11 | 42467053 |
12 | 23658813 |
13 | 14062a22 |
14 | acc8543 |
15 | 7345606 |
hex | 4e6c78f |
82233231 has 4 divisors (see below), whose sum is σ = 109644312. Its totient is φ = 54822152.
The previous prime is 82233227. The next prime is 82233253. The reversal of 82233231 is 13233228.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 82233231 - 22 = 82233227 is a prime.
It is a super-2 number, since 2×822332312 = 13524608561398722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82233271) 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, 13705536 + ... + 13705541.
It is an arithmetic number, because the mean of its divisors is an integer number (27411078).
Almost surely, 282233231 is an apocalyptic number.
82233231 is a deficient number, since it is larger than the sum of its proper divisors (27411081).
82233231 is a wasteful number, since it uses less digits than its factorization.
82233231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27411080.
The product of its digits is 1728, while the sum is 24.
The square root of 82233231 is about 9068.2540215854. The cubic root of 82233231 is about 434.8596561395.
Adding to 82233231 its reverse (13233228), we get a palindrome (95466459).
The spelling of 82233231 in words is "eighty-two million, two hundred thirty-three thousand, two hundred thirty-one".
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