Base | Representation |
---|---|
bin | 11010100000010… |
… | …10011001001000 |
3 | 120111101002002000 |
4 | 31100022121020 |
5 | 423404400210 |
6 | 34021311000 |
7 | 5336602362 |
oct | 1520123110 |
9 | 514332060 |
10 | 222340680 |
11 | 104561931 |
12 | 62565460 |
13 | 370a9c43 |
14 | 21759d32 |
15 | 147bdac0 |
hex | d40a648 |
222340680 has 256 divisors, whose sum is σ = 794880000. Its totient is φ = 55157760.
The previous prime is 222340661. The next prime is 222340687. The reversal of 222340680 is 86043222.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (222340687) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 970806 + ... + 971034.
It is an arithmetic number, because the mean of its divisors is an integer number (3105000).
Almost surely, 2222340680 is an apocalyptic number.
222340680 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 222340680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397440000).
222340680 is an abundant number, since it is smaller than the sum of its proper divisors (572539320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222340680 is a wasteful number, since it uses less digits than its factorization.
222340680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309 (or 299 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The square root of 222340680 is about 14911.0925153055. The cubic root of 222340680 is about 605.8144711930.
The spelling of 222340680 in words is "two hundred twenty-two million, three hundred forty thousand, six hundred eighty".
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