Base | Representation |
---|---|
bin | 101111010000… |
… | …000011101110 |
3 | 212022022010211 |
4 | 233100003232 |
5 | 11132332132 |
6 | 1121253034 |
7 | 210166240 |
oct | 57200356 |
9 | 25268124 |
10 | 12386542 |
11 | 6aa0213 |
12 | 419417a |
13 | 2748c1c |
14 | 1906090 |
15 | 114a147 |
hex | bd00ee |
12386542 has 16 divisors (see below), whose sum is σ = 21431520. Its totient is φ = 5259168.
The previous prime is 12386531. The next prime is 12386573. The reversal of 12386542 is 24568321.
12386542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2533 + ... + 5584.
It is an arithmetic number, because the mean of its divisors is an integer number (1339470).
Almost surely, 212386542 is an apocalyptic number.
12386542 is a deficient number, since it is larger than the sum of its proper divisors (9044978).
12386542 is a wasteful number, since it uses less digits than its factorization.
12386542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8235.
The product of its digits is 11520, while the sum is 31.
The square root of 12386542 is about 3519.4519459711. The cubic root of 12386542 is about 231.3751392820.
The spelling of 12386542 in words is "twelve million, three hundred eighty-six thousand, five hundred forty-two".
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