| Base | Representation |
|---|---|
| bin | 1000010011111010… |
| … | …1011111001000100 |
| 3 | 12202111001211020201 |
| 4 | 2010332223321010 |
| 5 | 14032120301340 |
| 6 | 1005214340244 |
| 7 | 106200254464 |
| oct | 20476537104 |
| 9 | 5674054221 |
| 10 | 2231025220 |
| 11 | a453a02a6 |
| 12 | 5231ba684 |
| 13 | 2972a5188 |
| 14 | 172435ba4 |
| 15 | d0ce979a |
| hex | 84fabe44 |
2231025220 has 48 divisors (see below), whose sum is σ = 4982664960. Its totient is φ = 836711424.
The previous prime is 2231025193. The next prime is 2231025229. The reversal of 2231025220 is 225201322.
2231025220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×22310252203 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (2231025229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6597 + ... + 67123.
It is an arithmetic number, because the mean of its divisors is an integer number (103805520).
Almost surely, 22231025220 is an apocalyptic number.
2231025220 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 2231025220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491332480).
2231025220 is an abundant number, since it is smaller than the sum of its proper divisors (2751639740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231025220 is a wasteful number, since it uses less digits than its factorization.
2231025220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60652 (or 60650 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 2231025220 is about 47233.7296854695. The cubic root of 2231025220 is about 1306.6767386366.
Adding to 2231025220 its reverse (225201322), we get a palindrome (2456226542).
The spelling of 2231025220 in words is "two billion, two hundred thirty-one million, twenty-five thousand, two hundred twenty".
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