Base | Representation |
---|---|
bin | 110010100110… |
… | …100001011001 |
3 | 220221221010202 |
4 | 302212201121 |
5 | 11343434420 |
6 | 1152151545 |
7 | 220515266 |
oct | 62464131 |
9 | 26857122 |
10 | 13264985 |
11 | 75401a8 |
12 | 45385b5 |
13 | 2995a06 |
14 | 1a9426d |
15 | 1270575 |
hex | ca6859 |
13264985 has 4 divisors (see below), whose sum is σ = 15917988. Its totient is φ = 10611984.
The previous prime is 13264963. The next prime is 13265009. The reversal of 13264985 is 58946231.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58946231 = 2833 ⋅20807.
It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 10843849 = 1556^2 + 3293^2 .
It is a cyclic number.
It is not a de Polignac number, because 13264985 - 26 = 13264921 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326494 + ... + 1326503.
It is an arithmetic number, because the mean of its divisors is an integer number (3979497).
Almost surely, 213264985 is an apocalyptic number.
It is an amenable number.
13264985 is a deficient number, since it is larger than the sum of its proper divisors (2653003).
13264985 is an equidigital number, since it uses as much as digits as its factorization.
13264985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2653002.
The product of its digits is 51840, while the sum is 38.
The square root of 13264985 is about 3642.1127110511. The cubic root of 13264985 is about 236.7203464386.
The spelling of 13264985 in words is "thirteen million, two hundred sixty-four thousand, nine hundred eighty-five".
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