Base | Representation |
---|---|
bin | 110001101001… |
… | …010101110001 |
3 | 220111012101021 |
4 | 301221111301 |
5 | 11312430020 |
6 | 1142535441 |
7 | 215422546 |
oct | 61512561 |
9 | 26435337 |
10 | 13014385 |
11 | 738999a |
12 | 4437581 |
13 | 2908927 |
14 | 1a2abcd |
15 | 12211aa |
hex | c69571 |
13014385 has 4 divisors (see below), whose sum is σ = 15617268. Its totient is φ = 10411504.
The previous prime is 13014349. The next prime is 13014403. The reversal of 13014385 is 58341031.
13014385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58341031 = 7 ⋅8334433.
It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 11175649 = 1356^2 + 3343^2 .
It is a cyclic number.
It is not a de Polignac number, because 13014385 - 27 = 13014257 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301434 + ... + 1301443.
It is an arithmetic number, because the mean of its divisors is an integer number (3904317).
Almost surely, 213014385 is an apocalyptic number.
It is an amenable number.
13014385 is a deficient number, since it is larger than the sum of its proper divisors (2602883).
13014385 is an equidigital number, since it uses as much as digits as its factorization.
13014385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2602882.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 13014385 is about 3607.5455645078. The cubic root of 13014385 is about 235.2201648780.
The spelling of 13014385 in words is "thirteen million, fourteen thousand, three hundred eighty-five".
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