Base | Representation |
---|---|
bin | 10001001101110… |
… | …11011001111101 |
3 | 101001202102110102 |
4 | 20212323121331 |
5 | 243433010100 |
6 | 22155250445 |
7 | 3402366632 |
oct | 1046733175 |
9 | 331672412 |
10 | 144422525 |
11 | 74582865 |
12 | 40449a25 |
13 | 23bc8320 |
14 | 15276189 |
15 | ca2bcd5 |
hex | 89bb67d |
144422525 has 24 divisors (see below), whose sum is σ = 195065640. Its totient is φ = 105431040.
The previous prime is 144422519. The next prime is 144422527. The reversal of 144422525 is 525224441.
It can be written as a sum of positive squares in 12 ways, for example, as 98684356 + 45738169 = 9934^2 + 6763^2 .
It is not a de Polignac number, because 144422525 - 26 = 144422461 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144422527) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26429 + ... + 31421.
It is an arithmetic number, because the mean of its divisors is an integer number (8127735).
Almost surely, 2144422525 is an apocalyptic number.
It is an amenable number.
144422525 is a deficient number, since it is larger than the sum of its proper divisors (50643115).
144422525 is a wasteful number, since it uses less digits than its factorization.
144422525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5105 (or 5100 counting only the distinct ones).
The product of its digits is 12800, while the sum is 29.
The square root of 144422525 is about 12017.5923129386. The cubic root of 144422525 is about 524.6604304519.
Adding to 144422525 its reverse (525224441), we get a palindrome (669646966).
The spelling of 144422525 in words is "one hundred forty-four million, four hundred twenty-two thousand, five hundred twenty-five".
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