Base | Representation |
---|---|
bin | 11010100000000… |
… | …01000000100000 |
3 | 120111022010100022 |
4 | 31100001000200 |
5 | 423402132430 |
6 | 34020413012 |
7 | 5336352326 |
oct | 1520010040 |
9 | 514263308 |
10 | 222302240 |
11 | 104535a66 |
12 | 62547168 |
13 | 370955b4 |
14 | 21749d16 |
15 | 147b24e5 |
hex | d401020 |
222302240 has 48 divisors (see below), whose sum is σ = 542142720. Its totient is φ = 86050560.
The previous prime is 222302231. The next prime is 222302243. The reversal of 222302240 is 42203222.
It is not an unprimeable number, because it can be changed into a prime (222302243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17450 + ... + 27369.
It is an arithmetic number, because the mean of its divisors is an integer number (11294640).
Almost surely, 2222302240 is an apocalyptic number.
222302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
222302240 is an abundant number, since it is smaller than the sum of its proper divisors (319840480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222302240 is a wasteful number, since it uses less digits than its factorization.
222302240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44865 (or 44857 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 17.
The square root of 222302240 is about 14909.8034862972. The cubic root of 222302240 is about 605.7795565290.
Adding to 222302240 its reverse (42203222), we get a palindrome (264505462).
The spelling of 222302240 in words is "two hundred twenty-two million, three hundred two thousand, two hundred forty".
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