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225041441 = 481346757
BaseRepresentation
bin11010110100111…
…01110000100001
3120200110021211012
431122131300201
5430102311231
634155230305
75401551332
oct1532356041
9520407735
10225041441
11106036a69
1263448395
1337814321
1421c60289
1514b53e2b
hexd69dc21

225041441 has 4 divisors (see below), whose sum is σ = 225093012. Its totient is φ = 224989872.

The previous prime is 225041429. The next prime is 225041449. The reversal of 225041441 is 144140522.

225041441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189888400 + 35153041 = 13780^2 + 5929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225041441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225041449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18566 + ... + 28191.

It is an arithmetic number, because the mean of its divisors is an integer number (56273253).

Almost surely, 2225041441 is an apocalyptic number.

It is an amenable number.

225041441 is a deficient number, since it is larger than the sum of its proper divisors (51571).

225041441 is an equidigital number, since it uses as much as digits as its factorization.

225041441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51570.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 225041441 is about 15001.3813030667. The cubic root of 225041441 is about 608.2575383810.

Adding to 225041441 its reverse (144140522), we get a palindrome (369181963).

The spelling of 225041441 in words is "two hundred twenty-five million, forty-one thousand, four hundred forty-one".

Divisors: 1 4813 46757 225041441