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4430225 = 52177209
BaseRepresentation
bin10000111001100110010001
322100002010102
4100321212101
52113231400
6234542145
752441052
oct20714621
98302112
104430225
112556548
121597955
13bc1647
14834729
155c79d5
hex439991

4430225 has 6 divisors (see below), whose sum is σ = 5493510. Its totient is φ = 3544160.

The previous prime is 4430221. The next prime is 4430227. The reversal of 4430225 is 5220344.

It can be written as a sum of positive squares in 3 ways, for example, as 398161 + 4032064 = 631^2 + 2008^2 .

It is not a de Polignac number, because 4430225 - 22 = 4430221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4430197 and 4430206.

It is not an unprimeable number, because it can be changed into a prime (4430221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88580 + ... + 88629.

It is an arithmetic number, because the mean of its divisors is an integer number (915585).

Almost surely, 24430225 is an apocalyptic number.

It is an amenable number.

4430225 is a deficient number, since it is larger than the sum of its proper divisors (1063285).

4430225 is a wasteful number, since it uses less digits than its factorization.

4430225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177219 (or 177214 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4430225 is about 2104.8099676693. The cubic root of 4430225 is about 164.2386101340.

Adding to 4430225 its reverse (5220344), we get a palindrome (9650569).

The spelling of 4430225 in words is "four million, four hundred thirty thousand, two hundred twenty-five".

Divisors: 1 5 25 177209 886045 4430225