| Base | Representation |
|---|---|
| bin | 1011111111110101… |
| … | …1110001001000100 |
| 3 | 22022110001112012121 |
| 4 | 2333331132021010 |
| 5 | 23043431000000 |
| 6 | 1251323455324 |
| 7 | 142544221021 |
| oct | 27775361104 |
| 9 | 8273045177 |
| 10 | 3220562500 |
| 11 | 1402a18301 |
| 12 | 75a687544 |
| 13 | 3c42bacac |
| 14 | 227a1c548 |
| 15 | 13cb10b1a |
| hex | bff5e244 |
3220562500 has 63 divisors (see below), whose sum is σ = 7076061769. Its totient is φ = 1282550000.
The previous prime is 3220562459. The next prime is 3220562507. The reversal of 3220562500 is 52650223.
The square root of 3220562500 is 56750.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 3 ways, for example, as 2821521924 + 399040576 = 53118^2 + 19976^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3220562507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 14187387 + ... + 14187613.
Almost surely, 23220562500 is an apocalyptic number.
3220562500 is the 56750-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3220562500
3220562500 is an abundant number, since it is smaller than the sum of its proper divisors (3855499269).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3220562500 is an frugal number, since it uses more digits than its factorization.
3220562500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The cubic root of 3220562500 is about 1476.7622335093.
Multiplying 3220562500 by its sum of digits (25), we get a square (80514062500 = 2837502).
3220562500 divided by its sum of digits (25) gives a square (128822500 = 113502).
Multiplying 3220562500 by its product of nonzero digits (3600), we get a square (11594025000000 = 34050002).
The spelling of 3220562500 in words is "three billion, two hundred twenty million, five hundred sixty-two thousand, five hundred".
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