Base | Representation |
---|---|
bin | 101110100011… |
… | …100111001010 |
3 | 211222001102011 |
4 | 232203213022 |
5 | 11111020430 |
6 | 1113330134 |
7 | 205510414 |
oct | 56434712 |
9 | 24861364 |
10 | 12204490 |
11 | 6986461 |
12 | 410694a |
13 | 26b40bc |
14 | 18999b4 |
15 | 111122a |
hex | ba39ca |
12204490 has 32 divisors (see below), whose sum is σ = 23431680. Its totient is φ = 4566144.
The previous prime is 12204463. The next prime is 12204497. The reversal of 12204490 is 9440221.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (12204497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10246 + ... + 11374.
It is an arithmetic number, because the mean of its divisors is an integer number (732240).
Almost surely, 212204490 is an apocalyptic number.
12204490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12204490 is a deficient number, since it is larger than the sum of its proper divisors (11227190).
12204490 is a wasteful number, since it uses less digits than its factorization.
12204490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1206.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 12204490 is about 3493.4925218182. The cubic root of 12204490 is about 230.2359896659.
The spelling of 12204490 in words is "twelve million, two hundred four thousand, four hundred ninety".
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