Base | Representation |
---|---|
bin | 101110101000… |
… | …001110101100 |
3 | 212000000100200 |
4 | 232220032230 |
5 | 11112122104 |
6 | 1113553500 |
7 | 205616514 |
oct | 56501654 |
9 | 25000320 |
10 | 12223404 |
11 | 6999696 |
12 | 4115890 |
13 | 26bc8ab |
14 | 18a2844 |
15 | 1116b39 |
hex | ba83ac |
12223404 has 18 divisors (see below), whose sum is σ = 30898140. Its totient is φ = 4074456.
The previous prime is 12223399. The next prime is 12223411. The reversal of 12223404 is 40432221.
12223404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169734 + ... + 169805.
Almost surely, 212223404 is an apocalyptic number.
It is an amenable number.
12223404 is an abundant number, since it is smaller than the sum of its proper divisors (18674736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223404 is a wasteful number, since it uses less digits than its factorization.
12223404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339549 (or 339544 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 12223404 is about 3496.1985069501. The cubic root of 12223404 is about 230.3548649289.
Adding to 12223404 its reverse (40432221), we get a palindrome (52655625).
The spelling of 12223404 in words is "twelve million, two hundred twenty-three thousand, four hundred four".
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