Base | Representation |
---|---|
bin | 110001111110… |
… | …110010100011 |
3 | 220122122220021 |
4 | 301332302203 |
5 | 11323232433 |
6 | 1144454311 |
7 | 216236650 |
oct | 61766243 |
9 | 26578807 |
10 | 13102243 |
11 | 7439a00 |
12 | 447a397 |
13 | 293990b |
14 | 1a50c27 |
15 | 123c22d |
hex | c7eca3 |
13102243 has 24 divisors (see below), whose sum is σ = 17024000. Its totient is φ = 9860400.
The previous prime is 13102241. The next prime is 13102253. The reversal of 13102243 is 34220131.
It is a happy number.
It is not a de Polignac number, because 13102243 - 21 = 13102241 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13102241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26008 + ... + 26506.
Almost surely, 213102243 is an apocalyptic number.
13102243 is a deficient number, since it is larger than the sum of its proper divisors (3921757).
13102243 is a wasteful number, since it uses less digits than its factorization.
13102243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559 (or 548 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 13102243 is about 3619.7020595624. The cubic root of 13102243 is about 235.7482892744.
Adding to 13102243 its reverse (34220131), we get a palindrome (47322374).
It can be divided in two parts, 1310 and 2243, that added together give a palindrome (3553).
The spelling of 13102243 in words is "thirteen million, one hundred two thousand, two hundred forty-three".
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