Base | Representation |
---|---|
bin | 110001101101… |
… | …111111001100 |
3 | 220112011111021 |
4 | 301231333030 |
5 | 11314032140 |
6 | 1143203524 |
7 | 215532211 |
oct | 61557714 |
9 | 26464437 |
10 | 13033420 |
11 | 73a2224 |
12 | 44465a4 |
13 | 29144aa |
14 | 1a33b08 |
15 | 1226b4a |
hex | c6dfcc |
13033420 has 48 divisors (see below), whose sum is σ = 28344960. Its totient is φ = 5031936.
The previous prime is 13033417. The next prime is 13033421. The reversal of 13033420 is 2433031.
It is a junction number, because it is equal to n+sod(n) for n = 13033394 and 13033403.
It is not an unprimeable number, because it can be changed into a prime (13033421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115284 + ... + 115396.
It is an arithmetic number, because the mean of its divisors is an integer number (590520).
Almost surely, 213033420 is an apocalyptic number.
13033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13033420 is an abundant number, since it is smaller than the sum of its proper divisors (15311540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13033420 is a wasteful number, since it uses less digits than its factorization.
13033420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274 (or 272 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 13033420 is about 3610.1828208555. The cubic root of 13033420 is about 235.3347876513.
Adding to 13033420 its reverse (2433031), we get a palindrome (15466451).
The spelling of 13033420 in words is "thirteen million, thirty-three thousand, four hundred twenty".
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