Base | Representation |
---|---|
bin | 11010011111111… |
… | …10101000000000 |
3 | 120111021121221211 |
4 | 31033332220000 |
5 | 423401324410 |
6 | 34020255504 |
7 | 5336312014 |
oct | 1517765000 |
9 | 514247854 |
10 | 222292480 |
11 | 1045296a3 |
12 | 62541594 |
13 | 37091017 |
14 | 21746544 |
15 | 147ae68a |
hex | d3fea00 |
222292480 has 80 divisors (see below), whose sum is σ = 540929664. Its totient is φ = 87592960.
The previous prime is 222292463. The next prime is 222292487. The reversal of 222292480 is 84292222.
222292480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (222292487) 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, 181149 + ... + 182371.
Almost surely, 2222292480 is an apocalyptic number.
222292480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222292480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270464832).
222292480 is an abundant number, since it is smaller than the sum of its proper divisors (318637184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222292480 is an equidigital number, since it uses as much as digits as its factorization.
222292480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1317 (or 1301 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 222292480 is about 14909.4761812748. The cubic root of 222292480 is about 605.7706909788.
The spelling of 222292480 in words is "two hundred twenty-two million, two hundred ninety-two thousand, four hundred eighty".
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