Base | Representation |
---|---|
bin | 10011010100001… |
… | …01101011000001 |
3 | 102021212212221101 |
4 | 21222011223001 |
5 | 312434400400 |
6 | 24024454401 |
7 | 4005134332 |
oct | 1152055301 |
9 | 367785841 |
10 | 162028225 |
11 | 83508227 |
12 | 4631a401 |
13 | 277509b8 |
14 | 1773a289 |
15 | e35856a |
hex | 9a85ac1 |
162028225 has 12 divisors (see below), whose sum is σ = 201443580. Its totient is φ = 129281600.
The previous prime is 162028211. The next prime is 162028231. The reversal of 162028225 is 522820261.
It can be written as a sum of positive squares in 6 ways, for example, as 12895281 + 149132944 = 3591^2 + 12212^2 .
It is not a de Polignac number, because 162028225 - 221 = 159931073 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 162028193 and 162028202.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1395 + ... + 18055.
It is an arithmetic number, because the mean of its divisors is an integer number (16786965).
Almost surely, 2162028225 is an apocalyptic number.
It is an amenable number.
162028225 is a deficient number, since it is larger than the sum of its proper divisors (39415355).
162028225 is a wasteful number, since it uses less digits than its factorization.
162028225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17060 (or 17055 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 162028225 is about 12729.0307957833. The cubic root of 162028225 is about 545.1678354116.
Adding to 162028225 its reverse (522820261), we get a palindrome (684848486).
The spelling of 162028225 in words is "one hundred sixty-two million, twenty-eight thousand, two hundred twenty-five".
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