Base | Representation |
---|---|
bin | 1111100001100… |
… | …01010100100101 |
3 | 100002001010201122 |
4 | 13300301110211 |
5 | 231314203240 |
6 | 20531103325 |
7 | 3140620010 |
oct | 760612445 |
9 | 302033648 |
10 | 130225445 |
11 | 67566339 |
12 | 37741b45 |
13 | 20c9729c |
14 | 1341c377 |
15 | b6754b5 |
hex | 7c31525 |
130225445 has 16 divisors (see below), whose sum is σ = 178808448. Its totient is φ = 89190720.
The previous prime is 130225441. The next prime is 130225477. The reversal of 130225445 is 544522031.
It is a happy number.
It is not a de Polignac number, because 130225445 - 22 = 130225441 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130225441) 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, 37430 + ... + 40760.
It is an arithmetic number, because the mean of its divisors is an integer number (11175528).
Almost surely, 2130225445 is an apocalyptic number.
It is an amenable number.
130225445 is a deficient number, since it is larger than the sum of its proper divisors (48583003).
130225445 is a wasteful number, since it uses less digits than its factorization.
130225445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4460.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 130225445 is about 11411.6363857249. The cubic root of 130225445 is about 506.8723683360.
Adding to 130225445 its reverse (544522031), we get a palindrome (674747476).
The spelling of 130225445 in words is "one hundred thirty million, two hundred twenty-five thousand, four hundred forty-five".
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