Base | Representation |
---|---|
bin | 10001001010110… |
… | …11101000001110 |
3 | 101001000111022200 |
4 | 20211123220032 |
5 | 243332431342 |
6 | 22143022330 |
7 | 3366144120 |
oct | 1045335016 |
9 | 331014280 |
10 | 144030222 |
11 | 74335046 |
12 | 4029a9a6 |
13 | 23abb8ab |
14 | 151b3210 |
15 | c9a094c |
hex | 895ba0e |
144030222 has 96 divisors (see below), whose sum is σ = 397612800. Its totient is φ = 36681984.
The previous prime is 144030191. The next prime is 144030259. The reversal of 144030222 is 222030441.
144030222 is a `hidden beast` number, since 1 + 440 + 3 + 0 + 222 = 666.
It is a super-3 number, since 3×1440302223 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 144030195 and 144030204.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 38929 + ... + 42467.
It is an arithmetic number, because the mean of its divisors is an integer number (4141800).
Almost surely, 2144030222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144030222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198806400).
144030222 is an abundant number, since it is smaller than the sum of its proper divisors (253582578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144030222 is a wasteful number, since it uses less digits than its factorization.
144030222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3590 (or 3587 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 144030222 is about 12001.2591839357. The cubic root of 144030222 is about 524.1849448168.
Adding to 144030222 its reverse (222030441), we get a palindrome (366060663).
The spelling of 144030222 in words is "one hundred forty-four million, thirty thousand, two hundred twenty-two".
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