Base | Representation |
---|---|
bin | 101110110110… |
… | …111110101010 |
3 | 212010002020020 |
4 | 232312332222 |
5 | 11121040233 |
6 | 1115141310 |
7 | 206260611 |
oct | 56667652 |
9 | 25102206 |
10 | 12283818 |
11 | 6a30018 |
12 | 4144836 |
13 | 2711241 |
14 | 18ba878 |
15 | 11299b3 |
hex | bb6faa |
12283818 has 8 divisors (see below), whose sum is σ = 24567648. Its totient is φ = 4094604.
The previous prime is 12283813. The next prime is 12283819. The reversal of 12283818 is 81838221.
It is a sphenic number, since it is the product of 3 distinct primes.
12283818 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (12283811) 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, 1023646 + ... + 1023657.
It is an arithmetic number, because the mean of its divisors is an integer number (3070956).
Almost surely, 212283818 is an apocalyptic number.
12283818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12283818 is a wasteful number, since it uses less digits than its factorization.
12283818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2047308.
The product of its digits is 6144, while the sum is 33.
The square root of 12283818 is about 3504.8278131743. The cubic root of 12283818 is about 230.7337499468.
The spelling of 12283818 in words is "twelve million, two hundred eighty-three thousand, eight hundred eighteen".
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