Base | Representation |
---|---|
bin | 1111110011110000100001 |
3 | 21210112201110 |
4 | 33303300201 |
5 | 2030103121 |
6 | 224453533 |
7 | 50140050 |
oct | 17636041 |
9 | 7715643 |
10 | 4144161 |
11 | 238062a |
12 | 147a2a9 |
13 | b21388 |
14 | 79c397 |
15 | 56cd76 |
hex | 3f3c21 |
4144161 has 8 divisors (see below), whose sum is σ = 6314944. Its totient is φ = 2368080.
The previous prime is 4144159. The next prime is 4144177. The reversal of 4144161 is 1614414.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4144161 - 21 = 4144159 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 197341 = 4144161 / (4 + 1 + 4 + 4 + 1 + 6 + 1).
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4144121) 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, 98650 + ... + 98691.
It is an arithmetic number, because the mean of its divisors is an integer number (789368).
Almost surely, 24144161 is an apocalyptic number.
It is an amenable number.
4144161 is a deficient number, since it is larger than the sum of its proper divisors (2170783).
4144161 is a wasteful number, since it uses less digits than its factorization.
4144161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197351.
The product of its digits is 384, while the sum is 21.
The square root of 4144161 is about 2035.7212481084. The cubic root of 4144161 is about 160.6246544730.
Adding to 4144161 its reverse (1614414), we get a palindrome (5758575).
The spelling of 4144161 in words is "four million, one hundred forty-four thousand, one hundred sixty-one".
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