Base | Representation |
---|---|
bin | 11011100011011… |
… | …00110000100001 |
3 | 121002220201202121 |
4 | 31301230300201 |
5 | 433132212233 |
6 | 34533544241 |
7 | 5504406535 |
oct | 1561546041 |
9 | 532821677 |
10 | 231132193 |
11 | 109517046 |
12 | 654a5081 |
13 | 38b67716 |
14 | 229a7bc5 |
15 | 1545892d |
hex | dc6cc21 |
231132193 has 8 divisors (see below), whose sum is σ = 234657216. Its totient is φ = 227614800.
The previous prime is 231132191. The next prime is 231132197. The reversal of 231132193 is 391231132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231132193 - 21 = 231132191 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231132191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96298 + ... + 98668.
It is an arithmetic number, because the mean of its divisors is an integer number (29332152).
Almost surely, 2231132193 is an apocalyptic number.
It is an amenable number.
231132193 is a deficient number, since it is larger than the sum of its proper divisors (3525023).
231132193 is a wasteful number, since it uses less digits than its factorization.
231132193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3815.
The product of its digits is 972, while the sum is 25.
The square root of 231132193 is about 15203.0323619994. The cubic root of 231132193 is about 613.6962647651.
The spelling of 231132193 in words is "two hundred thirty-one million, one hundred thirty-two thousand, one hundred ninety-three".
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