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225301313 = 1231183023
BaseRepresentation
bin11010110110111…
…01001101000001
3120200221111022002
431123131031001
5430134120223
634204553345
75404013066
oct1533351501
9520844262
10225301313
111061a4236
1263552855
13378a56b3
1421ccac6d
1514ba5e28
hexd6dd341

225301313 has 4 divisors (see below), whose sum is σ = 225485568. Its totient is φ = 225117060.

The previous prime is 225301309. The next prime is 225301361. The reversal of 225301313 is 313103522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313103522 = 2156551761.

It is a cyclic number.

It is not a de Polignac number, because 225301313 - 22 = 225301309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225303313) 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, 90281 + ... + 92742.

It is an arithmetic number, because the mean of its divisors is an integer number (56371392).

Almost surely, 2225301313 is an apocalyptic number.

It is an amenable number.

225301313 is a deficient number, since it is larger than the sum of its proper divisors (184255).

225301313 is a wasteful number, since it uses less digits than its factorization.

225301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184254.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 225301313 is about 15010.0404063414. The cubic root of 225301313 is about 608.4915816408.

Adding to 225301313 its reverse (313103522), we get a palindrome (538404835).

The spelling of 225301313 in words is "two hundred twenty-five million, three hundred one thousand, three hundred thirteen".

Divisors: 1 1231 183023 225301313