Base | Representation |
---|---|
bin | 101111101111100… |
… | …1111011100000100 |
3 | 11010122111022110102 |
4 | 1133133033130010 |
5 | 11240104301340 |
6 | 422544543232 |
7 | 54461663315 |
oct | 13737173404 |
9 | 4118438412 |
10 | 1602025220 |
11 | 752335294 |
12 | 388621b18 |
13 | 1c6b94823 |
14 | 112aa060c |
15 | 9599e215 |
hex | 5f7cf704 |
1602025220 has 12 divisors (see below), whose sum is σ = 3364253004. Its totient is φ = 640810080.
The previous prime is 1602025207. The next prime is 1602025231. The reversal of 1602025220 is 225202061.
It can be written as a sum of positive squares in 2 ways, for example, as 931836676 + 670188544 = 30526^2 + 25888^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 80101261 = 1602025220 / (1 + 6 + 0 + 2 + 0 + 2 + 5 + 2 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 1602025192 and 1602025201.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 40050611 + ... + 40050650.
It is an arithmetic number, because the mean of its divisors is an integer number (280354417).
Almost surely, 21602025220 is an apocalyptic number.
1602025220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1602025220 is an abundant number, since it is smaller than the sum of its proper divisors (1762227784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1602025220 is a wasteful number, since it uses less digits than its factorization.
1602025220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80101270 (or 80101268 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1602025220 is about 40025.3072442923. The cubic root of 1602025220 is about 1170.1003688216.
Adding to 1602025220 its reverse (225202061), we get a palindrome (1827227281).
The spelling of 1602025220 in words is "one billion, six hundred two million, twenty-five thousand, two hundred twenty".
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