Base | Representation |
---|---|
bin | 110001111010… |
… | …111011011000 |
3 | 220121212012101 |
4 | 301322323120 |
5 | 11322231144 |
6 | 1144253144 |
7 | 216142561 |
oct | 61727330 |
9 | 26555171 |
10 | 13086424 |
11 | 742902a |
12 | 44711b4 |
13 | 2932660 |
14 | 1a49168 |
15 | 12376d4 |
hex | c7aed8 |
13086424 has 32 divisors (see below), whose sum is σ = 27342000. Its totient is φ = 5830272.
The previous prime is 13086397. The next prime is 13086427. The reversal of 13086424 is 42468031.
It is a junction number, because it is equal to n+sod(n) for n = 13086392 and 13086401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13086427) 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, 847 + ... + 5185.
Almost surely, 213086424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13086424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13671000).
13086424 is an abundant number, since it is smaller than the sum of its proper divisors (14255576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13086424 is a wasteful number, since it uses less digits than its factorization.
13086424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4387 (or 4383 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 13086424 is about 3617.5162750152. The cubic root of 13086424 is about 235.6533741250.
The spelling of 13086424 in words is "thirteen million, eighty-six thousand, four hundred twenty-four".
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