Base | Representation |
---|---|
bin | 101110111000… |
… | …100010001000 |
3 | 212010101222000 |
4 | 232320202020 |
5 | 11121241214 |
6 | 1115231000 |
7 | 206315304 |
oct | 56704210 |
9 | 25111860 |
10 | 12290184 |
11 | 6a34885 |
12 | 4148460 |
13 | 27140ca |
14 | 18bcd04 |
15 | 112b809 |
hex | bb8888 |
12290184 has 64 divisors (see below), whose sum is σ = 36158400. Its totient is φ = 3854592.
The previous prime is 12290183. The next prime is 12290189. The reversal of 12290184 is 48109221.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nialpdrome in base 16.
It is a zygodrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (12290183) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999 + ... + 5345.
It is an arithmetic number, because the mean of its divisors is an integer number (564975).
Almost surely, 212290184 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 12290184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18079200).
12290184 is an abundant number, since it is smaller than the sum of its proper divisors (23868216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12290184 is a wasteful number, since it uses less digits than its factorization.
12290184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3379 (or 3369 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 12290184 is about 3505.7358713970. The cubic root of 12290184 is about 230.7736017634.
The spelling of 12290184 in words is "twelve million, two hundred ninety thousand, one hundred eighty-four".
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