Base | Representation |
---|---|
bin | 100010110001… |
… | …101001000111 |
3 | 122011011010012 |
4 | 202301221013 |
5 | 4313204411 |
6 | 523220435 |
7 | 140325635 |
oct | 42615107 |
9 | 18134105 |
10 | 9116231 |
11 | 5167183 |
12 | 307771b |
13 | 1b72527 |
14 | 12d4355 |
15 | c0118b |
hex | 8b1a47 |
9116231 has 4 divisors (see below), whose sum is σ = 9135000. Its totient is φ = 9097464.
The previous prime is 9116213. The next prime is 9116243. The reversal of 9116231 is 1326119.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1326119 = 17 ⋅78007.
It is a cyclic number.
It is not a de Polignac number, because 9116231 - 210 = 9115207 is a prime.
It is a super-2 number, since 2×91162312 = 166211335290722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 9116197 and 9116206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9116281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8636 + ... + 9633.
It is an arithmetic number, because the mean of its divisors is an integer number (2283750).
Almost surely, 29116231 is an apocalyptic number.
9116231 is a deficient number, since it is larger than the sum of its proper divisors (18769).
9116231 is a wasteful number, since it uses less digits than its factorization.
9116231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18768.
The product of its digits is 324, while the sum is 23.
The square root of 9116231 is about 3019.3096893164. The cubic root of 9116231 is about 208.9000002368.
The spelling of 9116231 in words is "nine million, one hundred sixteen thousand, two hundred thirty-one".
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