Base | Representation |
---|---|
bin | 101010110011… |
… | …1000110101100 |
3 | 1120020012012110 |
4 | 1111213012230 |
5 | 21221124122 |
6 | 2121004020 |
7 | 361520526 |
oct | 125470654 |
9 | 46205173 |
10 | 22442412 |
11 | 11739353 |
12 | 7623610 |
13 | 485a045 |
14 | 2da2a16 |
15 | 1e8490c |
hex | 15671ac |
22442412 has 24 divisors (see below), whose sum is σ = 52581312. Its totient is φ = 7450000.
The previous prime is 22442393. The next prime is 22442423. The reversal of 22442412 is 21424422.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 714 + ... + 6737.
It is an arithmetic number, because the mean of its divisors is an integer number (2190888).
Almost surely, 222442412 is an apocalyptic number.
It is an amenable number.
22442412 is an abundant number, since it is smaller than the sum of its proper divisors (30138900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22442412 is a wasteful number, since it uses less digits than its factorization.
22442412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7709 (or 7707 counting only the distinct ones).
The product of its digits is 1024, while the sum is 21.
The square root of 22442412 is about 4737.3422928895. The cubic root of 22442412 is about 282.0697478500.
Adding to 22442412 its reverse (21424422), we get a palindrome (43866834).
It can be divided in two parts, 2244 and 2412, that added together give a triangular number (4656 = T96).
The spelling of 22442412 in words is "twenty-two million, four hundred forty-two thousand, four hundred twelve".
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