Base | Representation |
---|---|
bin | 11011100100111… |
… | …01101001000111 |
3 | 121010021220102112 |
4 | 31302131221013 |
5 | 433210114143 |
6 | 34542131235 |
7 | 5506202360 |
oct | 1562355107 |
9 | 533256375 |
10 | 231332423 |
11 | 109643523 |
12 | 65580b1b |
13 | 38c078ba |
14 | 22a1ab67 |
15 | 15497e18 |
hex | dc9da47 |
231332423 has 8 divisors (see below), whose sum is σ = 264494592. Its totient is φ = 198198936.
The previous prime is 231332417. The next prime is 231332477. The reversal of 231332423 is 324233132.
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 231332423 - 220 = 230283847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231331423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14486 + ... + 25932.
It is an arithmetic number, because the mean of its divisors is an integer number (33061824).
Almost surely, 2231332423 is an apocalyptic number.
231332423 is a deficient number, since it is larger than the sum of its proper divisors (33162169).
231332423 is a wasteful number, since it uses less digits than its factorization.
231332423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14341.
The product of its digits is 2592, while the sum is 23.
The square root of 231332423 is about 15209.6161358530. The cubic root of 231332423 is about 613.8734288009.
Adding to 231332423 its reverse (324233132), we get a palindrome (555565555).
The spelling of 231332423 in words is "two hundred thirty-one million, three hundred thirty-two thousand, four hundred twenty-three".
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