Base | Representation |
---|---|
bin | 1111100010010… |
… | …00111100111101 |
3 | 100002020001111112 |
4 | 13301020330331 |
5 | 231330302422 |
6 | 20533131405 |
7 | 3141502133 |
oct | 761107475 |
9 | 302201445 |
10 | 130322237 |
11 | 67622031 |
12 | 37789b65 |
13 | 20ccc366 |
14 | 13445753 |
15 | b693ee2 |
hex | 7c48f3d |
130322237 has 2 divisors, whose sum is σ = 130322238. Its totient is φ = 130322236.
The previous prime is 130322191. The next prime is 130322243. The reversal of 130322237 is 732223031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 71554681 + 58767556 = 8459^2 + 7666^2 .
It is a cyclic number.
It is not a de Polignac number, because 130322237 - 26 = 130322173 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130322537) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65161118 + 65161119.
It is an arithmetic number, because the mean of its divisors is an integer number (65161119).
Almost surely, 2130322237 is an apocalyptic number.
It is an amenable number.
130322237 is a deficient number, since it is larger than the sum of its proper divisors (1).
130322237 is an equidigital number, since it uses as much as digits as its factorization.
130322237 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 23.
The square root of 130322237 is about 11415.8765322686. The cubic root of 130322237 is about 506.9979173794.
Adding to 130322237 its reverse (732223031), we get a palindrome (862545268).
The spelling of 130322237 in words is "one hundred thirty million, three hundred twenty-two thousand, two hundred thirty-seven".
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