Base | Representation |
---|---|
bin | 110001111010… |
… | …101011110011 |
3 | 220121210211110 |
4 | 301322223303 |
5 | 11322213202 |
6 | 1144244403 |
7 | 216136635 |
oct | 61725363 |
9 | 26553743 |
10 | 13085427 |
11 | 7428303 |
12 | 4470703 |
13 | 2932074 |
14 | 1a48a55 |
15 | 123726c |
hex | c7aaf3 |
13085427 has 8 divisors (see below), whose sum is σ = 18473616. Its totient is φ = 8210432.
The previous prime is 13085407. The next prime is 13085431. The reversal of 13085427 is 72458031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13085427 - 26 = 13085363 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13085394 and 13085403.
It is not an unprimeable number, because it can be changed into a prime (13085407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128238 + ... + 128339.
It is an arithmetic number, because the mean of its divisors is an integer number (2309202).
Almost surely, 213085427 is an apocalyptic number.
13085427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
13085427 is a deficient number, since it is larger than the sum of its proper divisors (5388189).
13085427 is a wasteful number, since it uses less digits than its factorization.
13085427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256597.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 13085427 is about 3617.3784706608. The cubic root of 13085427 is about 235.6473894909.
The spelling of 13085427 in words is "thirteen million, eighty-five thousand, four hundred twenty-seven".
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