Base | Representation |
---|---|
bin | 10001001100011… |
… | …11011011100001 |
3 | 101001102021101011 |
4 | 20212033123201 |
5 | 243411224101 |
6 | 22151340521 |
7 | 3401016532 |
oct | 1046173341 |
9 | 331367334 |
10 | 144242401 |
11 | 7446a4a6 |
12 | 40381741 |
13 | 23b64344 |
14 | 1522a689 |
15 | c9e3751 |
hex | 898f6e1 |
144242401 has 2 divisors, whose sum is σ = 144242402. Its totient is φ = 144242400.
The previous prime is 144242381. The next prime is 144242429. The reversal of 144242401 is 104242441.
144242401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 143640225 + 602176 = 11985^2 + 776^2 .
It is a cyclic number.
It is not a de Polignac number, because 144242401 - 223 = 135853793 is a prime.
It is not a weakly prime, because it can be changed into another prime (144242431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72121200 + 72121201.
It is an arithmetic number, because the mean of its divisors is an integer number (72121201).
Almost surely, 2144242401 is an apocalyptic number.
It is an amenable number.
144242401 is a deficient number, since it is larger than the sum of its proper divisors (1).
144242401 is an equidigital number, since it uses as much as digits as its factorization.
144242401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 144242401 is about 12010.0957947886. The cubic root of 144242401 is about 524.4422206052.
Adding to 144242401 its reverse (104242441), we get a palindrome (248484842).
The spelling of 144242401 in words is "one hundred forty-four million, two hundred forty-two thousand, four hundred one".
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