Base | Representation |
---|---|
bin | 11010100100000… |
… | …10101011100100 |
3 | 120112022002221011 |
4 | 31102002223210 |
5 | 424021132010 |
6 | 34040032004 |
7 | 5344024000 |
oct | 1522025344 |
9 | 515262834 |
10 | 222833380 |
11 | 104869020 |
12 | 62762604 |
13 | 37220293 |
14 | 21847700 |
15 | 14869a8a |
hex | d482ae4 |
222833380 has 96 divisors (see below), whose sum is σ = 595526400. Its totient is φ = 69431040.
The previous prime is 222833339. The next prime is 222833381. The reversal of 222833380 is 83338222.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (222833381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73984 + ... + 76936.
It is an arithmetic number, because the mean of its divisors is an integer number (6203400).
Almost surely, 2222833380 is an apocalyptic number.
222833380 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 222833380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297763200).
222833380 is an abundant number, since it is smaller than the sum of its proper divisors (372693020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222833380 is a wasteful number, since it uses less digits than its factorization.
222833380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2994 (or 2978 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 222833380 is about 14927.6046303484. The cubic root of 222833380 is about 606.2616297057.
The spelling of 222833380 in words is "two hundred twenty-two million, eight hundred thirty-three thousand, three hundred eighty".
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