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225831310 = 2522583131
BaseRepresentation
bin11010111010111…
…10100110001110
3120201221102022121
431131132212032
5430303100220
634224203154
75411351215
oct1535364616
9521842277
10225831310
11106526451
12637694ba
1337a2c9c3
1421dc807c
1514c5ceaa
hexd75e98e

225831310 has 8 divisors (see below), whose sum is σ = 406496376. Its totient is φ = 90332520.

The previous prime is 225831299. The next prime is 225831317. The reversal of 225831310 is 13138522.

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

It is a super-2 number, since 2×2258313102 = 101999561152632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225831317) by changing a digit.

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, 11291556 + ... + 11291575.

It is an arithmetic number, because the mean of its divisors is an integer number (50812047).

Almost surely, 2225831310 is an apocalyptic number.

225831310 is a deficient number, since it is larger than the sum of its proper divisors (180665066).

225831310 is a wasteful number, since it uses less digits than its factorization.

225831310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22583138.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 225831310 is about 15027.6847850892. The cubic root of 225831310 is about 608.9683448953.

Adding to 225831310 its reverse (13138522), we get a palindrome (238969832).

The spelling of 225831310 in words is "two hundred twenty-five million, eight hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 22583131 45166262 112915655 225831310