Base | Representation |
---|---|
bin | 101010101110… |
… | …1111000000100 |
3 | 1120011021100110 |
4 | 1111131320010 |
5 | 21213421422 |
6 | 2120113020 |
7 | 361302366 |
oct | 125357004 |
9 | 46137313 |
10 | 22404612 |
11 | 11712a0a |
12 | 7605770 |
13 | 4845a89 |
14 | 2d92d36 |
15 | 1e7860c |
hex | 155de04 |
22404612 has 12 divisors (see below), whose sum is σ = 52277456. Its totient is φ = 7468200.
The previous prime is 22404541. The next prime is 22404619. The reversal of 22404612 is 21640422.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (22404619) 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, 933514 + ... + 933537.
Almost surely, 222404612 is an apocalyptic number.
It is an amenable number.
22404612 is an abundant number, since it is smaller than the sum of its proper divisors (29872844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22404612 is a wasteful number, since it uses less digits than its factorization.
22404612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1867058 (or 1867056 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 22404612 is about 4733.3510328308. The cubic root of 22404612 is about 281.9112944679.
The spelling of 22404612 in words is "twenty-two million, four hundred four thousand, six hundred twelve".
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