Base | Representation |
---|---|
bin | 110011010101… |
… | …000001000011 |
3 | 221022121101011 |
4 | 303111001003 |
5 | 11421033202 |
6 | 1200221351 |
7 | 222240436 |
oct | 63250103 |
9 | 27277334 |
10 | 13455427 |
11 | 7660297 |
12 | 460a857 |
13 | 2a315bb |
14 | 1b0381d |
15 | 12abbd7 |
hex | cd5043 |
13455427 has 4 divisors (see below), whose sum is σ = 13462776. Its totient is φ = 13448080.
The previous prime is 13455413. The next prime is 13455443. The reversal of 13455427 is 72455431.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13455427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13455467) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527 + ... + 5407.
It is an arithmetic number, because the mean of its divisors is an integer number (3365694).
Almost surely, 213455427 is an apocalyptic number.
13455427 is a deficient number, since it is larger than the sum of its proper divisors (7349).
13455427 is an equidigital number, since it uses as much as digits as its factorization.
13455427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7348.
The product of its digits is 16800, while the sum is 31.
The square root of 13455427 is about 3668.1639821578. The cubic root of 13455427 is about 237.8478124576.
The spelling of 13455427 in words is "thirteen million, four hundred fifty-five thousand, four hundred twenty-seven".
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