Base | Representation |
---|---|
bin | 10001001100011… |
… | …01011000100100 |
3 | 101001101211212202 |
4 | 20212031120210 |
5 | 243410442040 |
6 | 22151234032 |
7 | 3400653230 |
oct | 1046153044 |
9 | 331354782 |
10 | 144234020 |
11 | 74464177 |
12 | 40378918 |
13 | 23b60598 |
14 | 152275c0 |
15 | c9e1015 |
hex | 898d624 |
144234020 has 48 divisors (see below), whose sum is σ = 347276160. Its totient is φ = 49292544.
The previous prime is 144234019. The next prime is 144234031. The reversal of 144234020 is 20432441.
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 = 144233983 and 144234001.
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 15 ways as a sum of consecutive naturals, for example, 47096 + ... + 50064.
It is an arithmetic number, because the mean of its divisors is an integer number (7234920).
Almost surely, 2144234020 is an apocalyptic number.
144234020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144234020 is an abundant number, since it is smaller than the sum of its proper divisors (203042140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144234020 is a wasteful number, since it uses less digits than its factorization.
144234020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3332 (or 3330 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 144234020 is about 12009.7468749345. The cubic root of 144234020 is about 524.4320630848.
Adding to 144234020 its reverse (20432441), we get a palindrome (164666461).
The spelling of 144234020 in words is "one hundred forty-four million, two hundred thirty-four thousand, twenty".
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