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220441425 = 3522939219
BaseRepresentation
bin11010010001110…
…10101101010001
3120100210120210020
431020322231101
5422413111200
633512454053
75314502241
oct1510725521
9510716706
10220441425
111034849a6
12619aa329
1336893619
14213c3b21
1514545ea0
hexd23ab51

220441425 has 12 divisors (see below), whose sum is σ = 364463280. Its totient is φ = 117568720.

The previous prime is 220441423. The next prime is 220441451. The reversal of 220441425 is 524144022.

It is a happy number.

220441425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220441425 - 21 = 220441423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220441395 and 220441404.

It is not an unprimeable number, because it can be changed into a prime (220441423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469535 + ... + 1469684.

It is an arithmetic number, because the mean of its divisors is an integer number (30371940).

Almost surely, 2220441425 is an apocalyptic number.

220441425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220441425 is a deficient number, since it is larger than the sum of its proper divisors (144021855).

220441425 is a wasteful number, since it uses less digits than its factorization.

220441425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939232 (or 2939227 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 220441425 is about 14847.2699510718. The cubic root of 220441425 is about 604.0845613884.

Adding to 220441425 its reverse (524144022), we get a palindrome (744585447).

The spelling of 220441425 in words is "two hundred twenty million, four hundred forty-one thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 2939219 8817657 14696095 44088285 73480475 220441425