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225452243 = 3126632731
BaseRepresentation
bin11010111000000…
…10000011010011
3120201020011100002
431130002003103
5430203432433
634212120215
75405212112
oct1534020323
9521204302
10225452243
11106297675
126360606b
13379292c3
1421d29c79
1514bd59e8
hexd7020d3

225452243 has 8 divisors (see below), whose sum is σ = 232897536. Its totient is φ = 218017800.

The previous prime is 225452237. The next prime is 225452257. The reversal of 225452243 is 342254522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225452243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225452263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81188 + ... + 83918.

It is an arithmetic number, because the mean of its divisors is an integer number (29112192).

Almost surely, 2225452243 is an apocalyptic number.

225452243 is a deficient number, since it is larger than the sum of its proper divisors (7445293).

225452243 is a wasteful number, since it uses less digits than its factorization.

225452243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425.

The product of its digits is 19200, while the sum is 29.

The square root of 225452243 is about 15015.0671993168. The cubic root of 225452243 is about 608.6274280664.

The spelling of 225452243 in words is "two hundred twenty-five million, four hundred fifty-two thousand, two hundred forty-three".

Divisors: 1 31 2663 2731 82553 84661 7272653 225452243