Base | Representation |
---|---|
bin | 100110101111111… |
… | …1010101000000000 |
3 | 10100121120121212022 |
4 | 1031133322220000 |
5 | 10130323242344 |
6 | 333004021012 |
7 | 44135423123 |
oct | 11537725000 |
9 | 3317517768 |
10 | 1300212224 |
11 | 607a32763 |
12 | 303531768 |
13 | 1794b075c |
14 | c49783ba |
15 | 792330ee |
hex | 4d7faa00 |
1300212224 has 40 divisors (see below), whose sum is σ = 2750720148. Its totient is φ = 611860480.
The previous prime is 1300212223. The next prime is 1300212247. The reversal of 1300212224 is 4222120031.
It can be written as a sum of positive squares in 2 ways, for example, as 1051834624 + 248377600 = 32432^2 + 15760^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is not an unprimeable number, because it can be changed into a prime (1300212223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65987 + ... + 83394.
Almost surely, 21300212224 is an apocalyptic number.
It is an amenable number.
1300212224 is an abundant number, since it is smaller than the sum of its proper divisors (1450507924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1300212224 is an equidigital number, since it uses as much as digits as its factorization.
1300212224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149416 (or 149400 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1300212224 is about 36058.4556518995. The cubic root of 1300212224 is about 1091.4522695125.
Adding to 1300212224 its reverse (4222120031), we get a palindrome (5522332255).
The spelling of 1300212224 in words is "one billion, three hundred million, two hundred twelve thousand, two hundred twenty-four".
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