Base | Representation |
---|---|
bin | 10001001010110… |
… | …01011011111001 |
3 | 101001000001000001 |
4 | 20211121123321 |
5 | 243332134431 |
6 | 22142513001 |
7 | 3366106000 |
oct | 1045313371 |
9 | 331001001 |
10 | 144021241 |
11 | 74329321 |
12 | 40295761 |
13 | 23ab7790 |
14 | 151adc37 |
15 | c99ce61 |
hex | 89596f9 |
144021241 has 16 divisors (see below), whose sum is σ = 180880000. Its totient is φ = 113947344.
The previous prime is 144021209. The next prime is 144021277. The reversal of 144021241 is 142120441.
It is not a de Polignac number, because 144021241 - 25 = 144021209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144027241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11691 + ... + 20608.
It is an arithmetic number, because the mean of its divisors is an integer number (11305000).
Almost surely, 2144021241 is an apocalyptic number.
It is an amenable number.
144021241 is a deficient number, since it is larger than the sum of its proper divisors (36858759).
144021241 is an equidigital number, since it uses as much as digits as its factorization.
144021241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32333 (or 32319 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 144021241 is about 12000.8850090316. The cubic root of 144021241 is about 524.1740494117.
Adding to 144021241 its reverse (142120441), we get a palindrome (286141682).
The spelling of 144021241 in words is "one hundred forty-four million, twenty-one thousand, two hundred forty-one".
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