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225444041 = 457493313
BaseRepresentation
bin11010111000000…
…00000011001001
3120201012202002022
431130000003021
5430203202131
634212014225
75405146154
oct1534000311
9521182068
10225444041
11106291499
1263601375
1337925654
1421d26c9b
1514bd337b
hexd7000c9

225444041 has 4 divisors (see below), whose sum is σ = 225937812. Its totient is φ = 224950272.

The previous prime is 225444013. The next prime is 225444053. The reversal of 225444041 is 140444522.

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 173185600 + 52258441 = 13160^2 + 7229^2 .

It is a cyclic number.

It is not a de Polignac number, because 225444041 - 210 = 225443017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225444041.

It is not an unprimeable number, because it can be changed into a prime (225444341) 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, 246200 + ... + 247113.

It is an arithmetic number, because the mean of its divisors is an integer number (56484453).

Almost surely, 2225444041 is an apocalyptic number.

It is an amenable number.

225444041 is a deficient number, since it is larger than the sum of its proper divisors (493771).

225444041 is an equidigital number, since it uses as much as digits as its factorization.

225444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493770.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 225444041 is about 15014.7940711819. The cubic root of 225444041 is about 608.6200473123.

Adding to 225444041 its reverse (140444522), we get a palindrome (365888563).

The spelling of 225444041 in words is "two hundred twenty-five million, four hundred forty-four thousand, forty-one".

Divisors: 1 457 493313 225444041