Base | Representation |
---|---|
bin | 101110000101… |
… | …100101001110 |
3 | 211201210200110 |
4 | 232011211032 |
5 | 11043101421 |
6 | 1110540450 |
7 | 204455664 |
oct | 56054516 |
9 | 24653613 |
10 | 12081486 |
11 | 6901aaa |
12 | 4067726 |
13 | 2670111 |
14 | 1866c34 |
15 | 10d9a76 |
hex | b8594e |
12081486 has 16 divisors (see below), whose sum is σ = 25213824. Its totient is φ = 3852024.
The previous prime is 12081481. The next prime is 12081497. The reversal of 12081486 is 68418021.
12081486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12081481) 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, 43636 + ... + 43911.
It is an arithmetic number, because the mean of its divisors is an integer number (1575864).
Almost surely, 212081486 is an apocalyptic number.
12081486 is an abundant number, since it is smaller than the sum of its proper divisors (13132338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12081486 is a wasteful number, since it uses less digits than its factorization.
12081486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87575.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 12081486 is about 3475.8432070506. The cubic root of 12081486 is about 229.4598920802.
The spelling of 12081486 in words is "twelve million, eighty-one thousand, four hundred eighty-six".
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