| Base | Representation |
|---|---|
| bin | 111101001001111… |
| … | …0001110101100100 |
| 3 | 12022000012122222100 |
| 4 | 1322103301311210 |
| 5 | 13200303131340 |
| 6 | 535341332100 |
| 7 | 101564520336 |
| oct | 17223616544 |
| 9 | 5260178870 |
| 10 | 2052005220 |
| 11 | 963337991 |
| 12 | 493267030 |
| 13 | 269185395 |
| 14 | 156755456 |
| 15 | c0236830 |
| hex | 7a4f1d64 |
2052005220 has 72 divisors (see below), whose sum is σ = 6240157560. Its totient is φ = 545817600.
The previous prime is 2052005209. The next prime is 2052005239. The reversal of 2052005220 is 225002502.
It can be written as a sum of positive squares in 4 ways, for example, as 621804096 + 1430201124 = 24936^2 + 37818^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2052005193 and 2052005202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57966 + ... + 86394.
It is an arithmetic number, because the mean of its divisors is an integer number (86668855).
Almost surely, 22052005220 is an apocalyptic number.
2052005220 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 2052005220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3120078780).
2052005220 is an abundant number, since it is smaller than the sum of its proper divisors (4188152340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2052005220 is a wasteful number, since it uses less digits than its factorization.
2052005220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28845 (or 28840 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 2052005220 is about 45299.0642287454. The cubic root of 2052005220 is about 1270.7481528096.
Adding to 2052005220 its reverse (225002502), we get a palindrome (2277007722).
The spelling of 2052005220 in words is "two billion, fifty-two million, five thousand, two hundred twenty".
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