Base | Representation |
---|---|
bin | 11010100001010… |
… | …01111111111111 |
3 | 120111121122122221 |
4 | 31100221333333 |
5 | 423423021033 |
6 | 34024150211 |
7 | 5340652000 |
oct | 1520517777 |
9 | 514548587 |
10 | 222470143 |
11 | 104640125 |
12 | 62608367 |
13 | 37123b4c |
14 | 217911a7 |
15 | 147e712d |
hex | d429fff |
222470143 has 16 divisors (see below), whose sum is σ = 274708800. Its totient is φ = 179467008.
The previous prime is 222470119. The next prime is 222470147. The reversal of 222470143 is 341074222.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-222470143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222470147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13246 + ... + 24907.
It is an arithmetic number, because the mean of its divisors is an integer number (17169300).
Almost surely, 2222470143 is an apocalyptic number.
222470143 is a deficient number, since it is larger than the sum of its proper divisors (52238657).
222470143 is an equidigital number, since it uses as much as digits as its factorization.
222470143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38191 (or 38177 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 25.
The square root of 222470143 is about 14915.4330476859. The cubic root of 222470143 is about 605.9320315380.
The spelling of 222470143 in words is "two hundred twenty-two million, four hundred seventy thousand, one hundred forty-three".
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