Base | Representation |
---|---|
bin | 11011100101101… |
… | …00000011000101 |
3 | 121010110120022120 |
4 | 31302310003011 |
5 | 433221033242 |
6 | 34544120153 |
7 | 5510034054 |
oct | 1562640305 |
9 | 533416276 |
10 | 231424197 |
11 | 1096a6474 |
12 | 65606059 |
13 | 38c3a5c4 |
14 | 22a4239b |
15 | 154b51ec |
hex | dcb40c5 |
231424197 has 8 divisors (see below), whose sum is σ = 309713760. Its totient is φ = 153708720.
The previous prime is 231424187. The next prime is 231424243. The reversal of 231424197 is 791424132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231424197 - 24 = 231424181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231424117) 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, 142579 + ... + 144192.
It is an arithmetic number, because the mean of its divisors is an integer number (38714220).
Almost surely, 2231424197 is an apocalyptic number.
It is an amenable number.
231424197 is a deficient number, since it is larger than the sum of its proper divisors (78289563).
231424197 is a wasteful number, since it uses less digits than its factorization.
231424197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287043.
The product of its digits is 12096, while the sum is 33.
The square root of 231424197 is about 15212.6328096093. The cubic root of 231424197 is about 613.9545965146.
The spelling of 231424197 in words is "two hundred thirty-one million, four hundred twenty-four thousand, one hundred ninety-seven".
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