Base | Representation |
---|---|
bin | 110010100001… |
… | …100001110010 |
3 | 220220220002011 |
4 | 302201201302 |
5 | 11342311110 |
6 | 1151513134 |
7 | 220401535 |
oct | 62414162 |
9 | 26826064 |
10 | 13244530 |
11 | 75268a2 |
12 | 45287aa |
13 | 2989600 |
14 | 1a8aa1c |
15 | 126948a |
hex | ca1872 |
13244530 has 48 divisors (see below), whose sum is σ = 27392904. Its totient is φ = 4592640.
The previous prime is 13244521. The next prime is 13244549. The reversal of 13244530 is 3544231.
It can be written as a sum of positive squares in 12 ways, for example, as 2209 + 13242321 = 47^2 + 3639^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28500 + ... + 28960.
Almost surely, 213244530 is an apocalyptic number.
13244530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13244530 is an abundant number, since it is smaller than the sum of its proper divisors (14148374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13244530 is a wasteful number, since it uses less digits than its factorization.
13244530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511 (or 498 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 13244530 is about 3639.3035047932. The cubic root of 13244530 is about 236.5986072454.
Adding to 13244530 its reverse (3544231), we get a palindrome (16788761).
The spelling of 13244530 in words is "thirteen million, two hundred forty-four thousand, five hundred thirty".
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