Base | Representation |
---|---|
bin | 11100011101001… |
… | …00011010000011 |
3 | 121122011020001210 |
4 | 32032210122003 |
5 | 442101401123 |
6 | 35404101203 |
7 | 5625626562 |
oct | 1616443203 |
9 | 548136053 |
10 | 238700163 |
11 | 112815a69 |
12 | 67b34803 |
13 | 3a5b7300 |
14 | 239b7bd9 |
15 | 15e50e93 |
hex | e3a4683 |
238700163 has 24 divisors (see below), whose sum is σ = 349825728. Its totient is φ = 144679392.
The previous prime is 238700129. The next prime is 238700167. The reversal of 238700163 is 361007832.
It is not a de Polignac number, because 238700163 - 214 = 238683779 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 238700163.
It is not an unprimeable number, because it can be changed into a prime (238700167) 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 23 ways as a sum of consecutive naturals, for example, 30456 + ... + 37482.
It is an arithmetic number, because the mean of its divisors is an integer number (14576072).
Almost surely, 2238700163 is an apocalyptic number.
238700163 is a deficient number, since it is larger than the sum of its proper divisors (111125565).
238700163 is a wasteful number, since it uses less digits than its factorization.
238700163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7123 (or 7110 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 238700163 is about 15449.9243687469. The cubic root of 238700163 is about 620.3225541535.
Adding to 238700163 its reverse (361007832), we get a palindrome (599707995).
The spelling of 238700163 in words is "two hundred thirty-eight million, seven hundred thousand, one hundred sixty-three".
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