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225500412 = 22318791701
BaseRepresentation
bin11010111000011…
…01110011111100
3120201022121102010
431130031303330
5430212003122
634213131220
75405502414
oct1534156374
9521277363
10225500412
1110631a885
1263629b10
13379451c7
1421d3d644
1514be4e0c
hexd70dcfc

225500412 has 12 divisors (see below), whose sum is σ = 526167656. Its totient is φ = 75166800.

The previous prime is 225500389. The next prime is 225500413. The reversal of 225500412 is 214005522.

It is a happy number.

225500412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225500413) 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, 9395839 + ... + 9395862.

Almost surely, 2225500412 is an apocalyptic number.

It is an amenable number.

225500412 is an abundant number, since it is smaller than the sum of its proper divisors (300667244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225500412 is a wasteful number, since it uses less digits than its factorization.

225500412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18791708 (or 18791706 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 225500412 is about 15016.6711357744. The cubic root of 225500412 is about 608.6707704118.

Adding to 225500412 its reverse (214005522), we get a palindrome (439505934).

The spelling of 225500412 in words is "two hundred twenty-five million, five hundred thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 18791701 37583402 56375103 75166804 112750206 225500412