Base | Representation |
---|---|
bin | 100011110001011… |
… | …0010100010010010 |
3 | 10002122120200010000 |
4 | 1013202302202102 |
5 | 4424234132401 |
6 | 315034350430 |
7 | 41513254254 |
oct | 10742624222 |
9 | 3078520100 |
10 | 1200302226 |
11 | 5665a2912 |
12 | 295b8b416 |
13 | 16189bc06 |
14 | b55abcd4 |
15 | 7059a186 |
hex | 478b2892 |
1200302226 has 20 divisors (see below), whose sum is σ = 2689566462. Its totient is φ = 400100688.
The previous prime is 1200302179. The next prime is 1200302227. The reversal of 1200302226 is 6222030021.
It can be written as a sum of positive squares in only one way, i.e., 775901025 + 424401201 = 27855^2 + 20601^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1200302199 and 1200302208.
It is not an unprimeable number, because it can be changed into a prime (1200302227) 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 9 ways as a sum of consecutive naturals, for example, 3704475 + ... + 3704798.
Almost surely, 21200302226 is an apocalyptic number.
1200302226 is an abundant number, since it is smaller than the sum of its proper divisors (1489264236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200302226 is an equidigital number, since it uses as much as digits as its factorization.
1200302226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7409287 (or 7409278 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1200302226 is about 34645.3781333095. The cubic root of 1200302226 is about 1062.7477736521.
Adding to 1200302226 its reverse (6222030021), we get a palindrome (7422332247).
The spelling of 1200302226 in words is "one billion, two hundred million, three hundred two thousand, two hundred twenty-six".
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