Base | Representation |
---|---|
bin | 11010011111100… |
… | …11111000000000 |
3 | 120111012101120000 |
4 | 31033303320000 |
5 | 423343422243 |
6 | 34015320000 |
7 | 5336036442 |
oct | 1517637000 |
9 | 514171500 |
10 | 222248448 |
11 | 1044a9604 |
12 | 62520000 |
13 | 37076c76 |
14 | 21734492 |
15 | 147a15d3 |
hex | d3f3e00 |
222248448 has 200 divisors, whose sum is σ = 695165328. Its totient is φ = 70557696.
The previous prime is 222248441. The next prime is 222248459. The reversal of 222248448 is 844842222.
It is a happy number.
222248448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222248441) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 953740 + ... + 953972.
Almost surely, 2222248448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222248448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347582664).
222248448 is an abundant number, since it is smaller than the sum of its proper divisors (472916880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222248448 is an equidigital number, since it uses as much as digits as its factorization.
222248448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286 (or 261 counting only the distinct ones).
The product of its digits is 65536, while the sum is 36.
The square root of 222248448 is about 14907.9994633754. Note that the first 3 decimals coincide. The cubic root of 222248448 is about 605.7306910405.
The spelling of 222248448 in words is "two hundred twenty-two million, two hundred forty-eight thousand, four hundred forty-eight".
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