Base | Representation |
---|---|
bin | 10101011111000… |
… | …00010011000110 |
3 | 110120010101112020 |
4 | 22233200103012 |
5 | 332114201342 |
6 | 25514504010 |
7 | 4315613652 |
oct | 1257402306 |
9 | 416111466 |
10 | 180225222 |
11 | 92806971 |
12 | 50435006 |
13 | 2b452558 |
14 | 19d15a62 |
15 | 10c500ec |
hex | abe04c6 |
180225222 has 16 divisors (see below), whose sum is σ = 379421760. Its totient is φ = 56913192.
The previous prime is 180225191. The next prime is 180225223. The reversal of 180225222 is 222522081.
It is a super-2 number, since 2×1802252222 = 64962261289898568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 180225192 and 180225201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180225223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790348 + ... + 790575.
It is an arithmetic number, because the mean of its divisors is an integer number (23713860).
Almost surely, 2180225222 is an apocalyptic number.
180225222 is an abundant number, since it is smaller than the sum of its proper divisors (199196538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180225222 is a wasteful number, since it uses less digits than its factorization.
180225222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1580947.
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 180225222 is about 13424.7987694416. The cubic root of 180225222 is about 564.8570103082.
The spelling of 180225222 in words is "one hundred eighty million, two hundred twenty-five thousand, two hundred twenty-two".
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