Base | Representation |
---|---|
bin | 101110100111… |
… | …111110100000 |
3 | 211222221221022 |
4 | 232213332200 |
5 | 11112103433 |
6 | 1113545012 |
7 | 205613504 |
oct | 56477640 |
9 | 24887838 |
10 | 12222368 |
11 | 6998934 |
12 | 4115168 |
13 | 26bc292 |
14 | 18a2304 |
15 | 1116698 |
hex | ba7fa0 |
12222368 has 12 divisors (see below), whose sum is σ = 24062850. Its totient is φ = 6111168.
The previous prime is 12222367. The next prime is 12222389. The reversal of 12222368 is 86322221.
It can be written as a sum of positive squares in only one way, i.e., 6210064 + 6012304 = 2492^2 + 2452^2 .
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (12222367) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190943 + ... + 191006.
Almost surely, 212222368 is an apocalyptic number.
It is an amenable number.
12222368 is a deficient number, since it is larger than the sum of its proper divisors (11840482).
12222368 is an equidigital number, since it uses as much as digits as its factorization.
12222368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381959 (or 381951 counting only the distinct ones).
The product of its digits is 2304, while the sum is 26.
The square root of 12222368 is about 3496.0503428870. The cubic root of 12222368 is about 230.3483568023.
Adding to 12222368 its reverse (86322221), we get a palindrome (98544589).
The spelling of 12222368 in words is "twelve million, two hundred twenty-two thousand, three hundred sixty-eight".
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