Base | Representation |
---|---|
bin | 10001001111011… |
… | …00001010010110 |
3 | 101002010120101220 |
4 | 20213230022112 |
5 | 244010402410 |
6 | 22203431210 |
7 | 3404161104 |
oct | 1047541226 |
9 | 332116356 |
10 | 144622230 |
11 | 746a9905 |
12 | 40525506 |
13 | 23c681ac |
14 | 152c8c74 |
15 | ca6b070 |
hex | 89ec296 |
144622230 has 32 divisors (see below), whose sum is σ = 367511904. Its totient is φ = 36297216.
The previous prime is 144622193. The next prime is 144622237. The reversal of 144622230 is 32226441.
It is a self number, because there is not a number n which added to its sum of digits gives 144622230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144622237) 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 15 ways as a sum of consecutive naturals, for example, 141277 + ... + 142296.
It is an arithmetic number, because the mean of its divisors is an integer number (11484747).
Almost surely, 2144622230 is an apocalyptic number.
144622230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144622230 is an abundant number, since it is smaller than the sum of its proper divisors (222889674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144622230 is a wasteful number, since it uses less digits than its factorization.
144622230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283600.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 144622230 is about 12025.8983032454. The cubic root of 144622230 is about 524.9021495640.
Adding to 144622230 its reverse (32226441), we get a palindrome (176848671).
The spelling of 144622230 in words is "one hundred forty-four million, six hundred twenty-two thousand, two hundred thirty".
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