Base | Representation |
---|---|
bin | 11010011110111… |
… | …11010010110000 |
3 | 120111001002220122 |
4 | 31033133102300 |
5 | 423333223034 |
6 | 34013425412 |
7 | 5335235606 |
oct | 1517372260 |
9 | 514032818 |
10 | 222164144 |
11 | 104451234 |
12 | 6249b268 |
13 | 37047797 |
14 | 21711876 |
15 | 1478662e |
hex | d3df4b0 |
222164144 has 40 divisors (see below), whose sum is σ = 445127760. Its totient is φ = 107347968.
The previous prime is 222164081. The next prime is 222164147. The reversal of 222164144 is 441461222.
222164144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (222164147) 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, 65072 + ... + 68400.
It is an arithmetic number, because the mean of its divisors is an integer number (11128194).
Almost surely, 2222164144 is an apocalyptic number.
It is an amenable number.
222164144 is an abundant number, since it is smaller than the sum of its proper divisors (222963616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222164144 is a wasteful number, since it uses less digits than its factorization.
222164144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3477 (or 3471 counting only the distinct ones).
The product of its digits is 3072, while the sum is 26.
The square root of 222164144 is about 14905.1717199098. The cubic root of 222164144 is about 605.6540921129.
The spelling of 222164144 in words is "two hundred twenty-two million, one hundred sixty-four thousand, one hundred forty-four".
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