Base | Representation |
---|---|
bin | 1111100001100… |
… | …01010100100110 |
3 | 100002001010201200 |
4 | 13300301110212 |
5 | 231314203241 |
6 | 20531103330 |
7 | 3140620011 |
oct | 760612446 |
9 | 302033650 |
10 | 130225446 |
11 | 6756633a |
12 | 37741b46 |
13 | 20c972a0 |
14 | 1341c378 |
15 | b6754b6 |
hex | 7c31526 |
130225446 has 24 divisors (see below), whose sum is σ = 303859920. Its totient is φ = 40069296.
The previous prime is 130225441. The next prime is 130225477. The reversal of 130225446 is 644522031.
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 11 ways as a sum of consecutive naturals, for example, 278026 + ... + 278493.
It is an arithmetic number, because the mean of its divisors is an integer number (12660830).
Almost surely, 2130225446 is an apocalyptic number.
130225446 is an abundant number, since it is smaller than the sum of its proper divisors (173634474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130225446 is a wasteful number, since it uses less digits than its factorization.
130225446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556540 (or 556537 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 130225446 is about 11411.6364295398. The cubic root of 130225446 is about 506.8723696335.
Adding to 130225446 its reverse (644522031), we get a palindrome (774747477).
The spelling of 130225446 in words is "one hundred thirty million, two hundred twenty-five thousand, four hundred forty-six".
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