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225792478 = 2352931991
BaseRepresentation
bin11010111010101…
…01000111011110
3120201212110001101
431131111013132
5430300324403
634223303314
75411130052
oct1535250736
9521773041
10225792478
111064aa25a
126374ab3a
1337a18122
1421db7c62
1514c5171d
hexd7551de

225792478 has 8 divisors (see below), whose sum is σ = 338795280. Its totient is φ = 112860720.

The previous prime is 225792439. The next prime is 225792481. The reversal of 225792478 is 874297522.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8938 + ... + 23053.

It is an arithmetic number, because the mean of its divisors is an integer number (42349410).

Almost surely, 2225792478 is an apocalyptic number.

225792478 is a deficient number, since it is larger than the sum of its proper divisors (113002802).

225792478 is a wasteful number, since it uses less digits than its factorization.

225792478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35522.

The product of its digits is 564480, while the sum is 46.

The square root of 225792478 is about 15026.3927141547. The cubic root of 225792478 is about 608.9334385835.

The spelling of 225792478 in words is "two hundred twenty-five million, seven hundred ninety-two thousand, four hundred seventy-eight".

Divisors: 1 2 3529 7058 31991 63982 112896239 225792478