Base | Representation |
---|---|
bin | 10001001100011… |
… | …00100101111100 |
3 | 101001101200102202 |
4 | 20212030211330 |
5 | 243410341110 |
6 | 22151211032 |
7 | 3400640621 |
oct | 1046144574 |
9 | 331350382 |
10 | 144230780 |
11 | 744617a1 |
12 | 40376a78 |
13 | 23b5bc75 |
14 | 15226348 |
15 | c9e00a5 |
hex | 898c97c |
144230780 has 24 divisors (see below), whose sum is σ = 309331008. Its totient is φ = 56464448.
The previous prime is 144230761. The next prime is 144230789. The reversal of 144230780 is 87032441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144230789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75779 + ... + 77658.
It is an arithmetic number, because the mean of its divisors is an integer number (12888792).
Almost surely, 2144230780 is an apocalyptic number.
144230780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144230780 is an abundant number, since it is smaller than the sum of its proper divisors (165100228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144230780 is a wasteful number, since it uses less digits than its factorization.
144230780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153493 (or 153491 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 144230780 is about 12009.6119837404. The cubic root of 144230780 is about 524.4281361966.
The spelling of 144230780 in words is "one hundred forty-four million, two hundred thirty thousand, seven hundred eighty".
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