Base | Representation |
---|---|
bin | 11011100011100… |
… | …00001110100011 |
3 | 121002221110020220 |
4 | 31301300032203 |
5 | 433133141103 |
6 | 34534134123 |
7 | 5504466135 |
oct | 1561601643 |
9 | 532843226 |
10 | 231146403 |
11 | 109526794 |
12 | 654b1343 |
13 | 38b71027 |
14 | 229ad055 |
15 | 1545cc53 |
hex | dc703a3 |
231146403 has 8 divisors (see below), whose sum is σ = 308710416. Its totient is φ = 153840000.
The previous prime is 231146401. The next prime is 231146411. The reversal of 231146403 is 304641132.
231146403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231146403 - 21 = 231146401 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (231146401) 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, 62298 + ... + 65903.
It is an arithmetic number, because the mean of its divisors is an integer number (38588802).
Almost surely, 2231146403 is an apocalyptic number.
231146403 is a deficient number, since it is larger than the sum of its proper divisors (77564013).
231146403 is a wasteful number, since it uses less digits than its factorization.
231146403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128805.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 231146403 is about 15203.4996957937. The cubic root of 231146403 is about 613.7088411831.
Adding to 231146403 its reverse (304641132), we get a palindrome (535787535).
The spelling of 231146403 in words is "two hundred thirty-one million, one hundred forty-six thousand, four hundred three".
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