Base | Representation |
---|---|
bin | 110011001101… |
… | …010110011001 |
3 | 221021000022010 |
4 | 303031112121 |
5 | 11414032100 |
6 | 1155420133 |
7 | 222050046 |
oct | 63152631 |
9 | 27230263 |
10 | 13424025 |
11 | 763973a |
12 | 45b4649 |
13 | 2a20214 |
14 | 1ad61cd |
15 | 12a2750 |
hex | ccd599 |
13424025 has 12 divisors (see below), whose sum is σ = 22194512. Its totient is φ = 7159440.
The previous prime is 13424017. The next prime is 13424039. The reversal of 13424025 is 52042431.
It is not a de Polignac number, because 13424025 - 23 = 13424017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13423992 and 13424010.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 89419 + ... + 89568.
Almost surely, 213424025 is an apocalyptic number.
13424025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13424025 is a deficient number, since it is larger than the sum of its proper divisors (8770487).
13424025 is a wasteful number, since it uses less digits than its factorization.
13424025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179000 (or 178995 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 13424025 is about 3663.8811389018. The cubic root of 13424025 is about 237.6626402143.
Adding to 13424025 its reverse (52042431), we get a palindrome (65466456).
The spelling of 13424025 in words is "thirteen million, four hundred twenty-four thousand, twenty-five".
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