Base | Representation |
---|---|
bin | 10001001100010… |
… | …10001111000100 |
3 | 101001101012012010 |
4 | 20212022033010 |
5 | 243410033444 |
6 | 22151054220 |
7 | 3400600515 |
oct | 1046121704 |
9 | 331335163 |
10 | 144221124 |
11 | 74455513 |
12 | 40371370 |
13 | 23b57758 |
14 | 15222a0c |
15 | c9dc2b9 |
hex | 898a3c4 |
144221124 has 24 divisors (see below), whose sum is σ = 336777280. Its totient is φ = 48036384.
The previous prime is 144221117. The next prime is 144221131. The reversal of 144221124 is 421122441.
It is an interprime number because it is at equal distance from previous prime (144221117) and next prime (144221131).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 144221124.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14622 + ... + 22410.
Almost surely, 2144221124 is an apocalyptic number.
It is an amenable number.
144221124 is an abundant number, since it is smaller than the sum of its proper divisors (192556156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144221124 is a wasteful number, since it uses less digits than its factorization.
144221124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9339 (or 9337 counting only the distinct ones).
The product of its digits is 512, while the sum is 21.
The square root of 144221124 is about 12009.2099656888. The cubic root of 144221124 is about 524.4164327514.
Adding to 144221124 its reverse (421122441), we get a palindrome (565343565).
The spelling of 144221124 in words is "one hundred forty-four million, two hundred twenty-one thousand, one hundred twenty-four".
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