Base | Representation |
---|---|
bin | 101110011110… |
… | …101110101010 |
3 | 211221000222102 |
4 | 232132232222 |
5 | 11104400430 |
6 | 1113053402 |
7 | 205365203 |
oct | 56365652 |
9 | 24830872 |
10 | 12184490 |
11 | 697242a |
12 | 40b7262 |
13 | 26a7c76 |
14 | 18925aa |
15 | 110a345 |
hex | b9ebaa |
12184490 has 8 divisors (see below), whose sum is σ = 21932100. Its totient is φ = 4873792.
The previous prime is 12184489. The next prime is 12184493. The reversal of 12184490 is 9448121.
It can be written as a sum of positive squares in 2 ways, for example, as 11202409 + 982081 = 3347^2 + 991^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12184493) 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, 609215 + ... + 609234.
Almost surely, 212184490 is an apocalyptic number.
12184490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12184490 is a deficient number, since it is larger than the sum of its proper divisors (9747610).
12184490 is a wasteful number, since it uses less digits than its factorization.
12184490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1218456.
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 12184490 is about 3490.6288831670. The cubic root of 12184490 is about 230.1101551739.
The spelling of 12184490 in words is "twelve million, one hundred eighty-four thousand, four hundred ninety".
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