Base | Representation |
---|---|
bin | 11011110011011… |
… | …11111000011111 |
3 | 121020212221001220 |
4 | 31321233320133 |
5 | 434202222033 |
6 | 35051104423 |
7 | 5531345151 |
oct | 1571577037 |
9 | 536787056 |
10 | 233242143 |
11 | 10a728302 |
12 | 66142113 |
13 | 39425c04 |
14 | 22d96ad1 |
15 | 15723bb3 |
hex | de6fe1f |
233242143 has 8 divisors (see below), whose sum is σ = 312464256. Its totient is φ = 154757400.
The previous prime is 233242111. The next prime is 233242169. The reversal of 233242143 is 341242332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 233242143 - 25 = 233242111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (233249143) 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, 183603 + ... + 184868.
It is an arithmetic number, because the mean of its divisors is an integer number (39058032).
Almost surely, 2233242143 is an apocalyptic number.
233242143 is a deficient number, since it is larger than the sum of its proper divisors (79222113).
233242143 is a wasteful number, since it uses less digits than its factorization.
233242143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368685.
The product of its digits is 3456, while the sum is 24.
The square root of 233242143 is about 15272.2671205031. The cubic root of 233242143 is about 615.5580393317.
Adding to 233242143 its reverse (341242332), we get a palindrome (574484475).
The spelling of 233242143 in words is "two hundred thirty-three million, two hundred forty-two thousand, one hundred forty-three".
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