Base | Representation |
---|---|
bin | 10001001100010… |
… | …01100010000001 |
3 | 101001101001020100 |
4 | 20212021202001 |
5 | 243404440431 |
6 | 22151033013 |
7 | 3400556226 |
oct | 1046114201 |
9 | 331331210 |
10 | 144218241 |
11 | 74453332 |
12 | 4036b769 |
13 | 23b5634b |
14 | 1522194d |
15 | c9db4e6 |
hex | 8989881 |
144218241 has 12 divisors (see below), whose sum is σ = 208645632. Its totient is φ = 95993016.
The previous prime is 144218233. The next prime is 144218251. The reversal of 144218241 is 142812441.
144218241 is a `hidden beast` number, since 1 + 442 + 182 + 41 = 666.
It is not a de Polignac number, because 144218241 - 23 = 144218233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144218201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6561 + ... + 18206.
It is an arithmetic number, because the mean of its divisors is an integer number (17387136).
Almost surely, 2144218241 is an apocalyptic number.
It is an amenable number.
144218241 is a deficient number, since it is larger than the sum of its proper divisors (64427391).
144218241 is a wasteful number, since it uses less digits than its factorization.
144218241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25420 (or 25417 counting only the distinct ones).
The product of its digits is 2048, while the sum is 27.
The square root of 144218241 is about 12009.0899322138. The cubic root of 144218241 is about 524.4129383427.
It can be divided in two parts, 1442 and 18241, that added together give a 9-th power (19683 = 39).
The spelling of 144218241 in words is "one hundred forty-four million, two hundred eighteen thousand, two hundred forty-one".
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