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225965383 = 751896221
BaseRepresentation
bin11010111011111…
…11010101000111
3120202012020020021
431131333111013
5430321343013
634231120011
75412450130
oct1535772507
9522166207
10225965383
11106608156
1263813007
1337a78a37
1422020c87
1514c87a8d
hexd77f547

225965383 has 8 divisors (see below), whose sum is σ = 258337440. Its totient is φ = 193616160.

The previous prime is 225965371. The next prime is 225965563. The reversal of 225965383 is 383569522.

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

It is a cyclic number.

It is not a de Polignac number, because 225965383 - 217 = 225834311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225965323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33213 + ... + 39433.

It is an arithmetic number, because the mean of its divisors is an integer number (32292180).

Almost surely, 2225965383 is an apocalyptic number.

225965383 is a deficient number, since it is larger than the sum of its proper divisors (32372057).

225965383 is an equidigital number, since it uses as much as digits as its factorization.

225965383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417.

The product of its digits is 388800, while the sum is 43.

The square root of 225965383 is about 15032.1449899873. The cubic root of 225965383 is about 609.0888331494.

The spelling of 225965383 in words is "two hundred twenty-five million, nine hundred sixty-five thousand, three hundred eighty-three".

Divisors: 1 7 5189 6221 36323 43547 32280769 225965383