Base | Representation |
---|---|
bin | 10001001010111… |
… | …11000001011000 |
3 | 101001001012101102 |
4 | 20211133001120 |
5 | 243333402440 |
6 | 22143210532 |
7 | 3366232463 |
oct | 1045370130 |
9 | 331035342 |
10 | 144044120 |
11 | 74344530 |
12 | 402a6a48 |
13 | 23ac500c |
14 | 151b82da |
15 | c9a4b15 |
hex | 895f058 |
144044120 has 64 divisors (see below), whose sum is σ = 355168800. Its totient is φ = 52142080.
The previous prime is 144044081. The next prime is 144044123. The reversal of 144044120 is 21440441.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 144044092 and 144044101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144044123) 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, 117752 + ... + 118968.
Almost surely, 2144044120 is an apocalyptic number.
144044120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144044120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177584400).
144044120 is an abundant number, since it is smaller than the sum of its proper divisors (211124680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144044120 is a wasteful number, since it uses less digits than its factorization.
144044120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1508 (or 1504 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 144044120 is about 12001.8381925437. The cubic root of 144044120 is about 524.2018044452.
Adding to 144044120 its reverse (21440441), we get a palindrome (165484561).
The spelling of 144044120 in words is "one hundred forty-four million, forty-four thousand, one hundred twenty".
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