Base | Representation |
---|---|
bin | 100100101110010… |
… | …0000100100110001 |
3 | 10011212121202122202 |
4 | 1021130200210301 |
5 | 10010421211400 |
6 | 322134312545 |
7 | 42351420431 |
oct | 11134404461 |
9 | 3155552582 |
10 | 1232210225 |
11 | 582606864 |
12 | 2a47b8755 |
13 | 16839149c |
14 | b99162c1 |
15 | 7329e4d5 |
hex | 49720931 |
1232210225 has 12 divisors (see below), whose sum is σ = 1529010396. Its totient is φ = 985078080.
The previous prime is 1232210179. The next prime is 1232210293. The reversal of 1232210225 is 5220122321.
It can be written as a sum of positive squares in 6 ways, for example, as 14409616 + 1217800609 = 3796^2 + 34897^2 .
It is not a de Polignac number, because 1232210225 - 210 = 1232209201 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1232210197 and 1232210206.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20819 + ... + 53831.
It is an arithmetic number, because the mean of its divisors is an integer number (127417533).
Almost surely, 21232210225 is an apocalyptic number.
It is an amenable number.
1232210225 is a deficient number, since it is larger than the sum of its proper divisors (296800171).
1232210225 is a wasteful number, since it uses less digits than its factorization.
1232210225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34516 (or 34511 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1232210225 is about 35102.8520921021. The cubic root of 1232210225 is about 1072.0826543091.
Adding to 1232210225 its reverse (5220122321), we get a palindrome (6452332546).
The spelling of 1232210225 in words is "one billion, two hundred thirty-two million, two hundred ten thousand, two hundred twenty-five".
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