Base | Representation |
---|---|
bin | 110001101011… |
… | …101100011001 |
3 | 220111200121022 |
4 | 301223230121 |
5 | 11313232100 |
6 | 1143052225 |
7 | 215462630 |
oct | 61535431 |
9 | 26450538 |
10 | 13024025 |
11 | 7396163 |
12 | 4441075 |
13 | 2910131 |
14 | 1a30517 |
15 | 1223e85 |
hex | c6bb19 |
13024025 has 24 divisors (see below), whose sum is σ = 19433280. Its totient is φ = 8458560.
The previous prime is 13024021. The next prime is 13024087. The reversal of 13024025 is 52042031.
It is not a de Polignac number, because 13024025 - 22 = 13024021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13023994 and 13024012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13024021) 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 23 ways as a sum of consecutive naturals, for example, 1367 + ... + 5283.
It is an arithmetic number, because the mean of its divisors is an integer number (809720).
Almost surely, 213024025 is an apocalyptic number.
It is an amenable number.
13024025 is a deficient number, since it is larger than the sum of its proper divisors (6409255).
13024025 is a wasteful number, since it uses less digits than its factorization.
13024025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3953 (or 3948 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 13024025 is about 3608.8814056436. The cubic root of 13024025 is about 235.2782278792.
Adding to 13024025 its reverse (52042031), we get a palindrome (65066056).
The spelling of 13024025 in words is "thirteen million, twenty-four thousand, twenty-five".
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