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225433250 = 2537128819
BaseRepresentation
bin11010110111111…
…01011010100010
3120201012012021122
431123331122202
5430202331000
634211452242
75405102540
oct1533753242
9521165248
10225433250
11106284379
12635b7082
1337920773
1421d22d90
1514bd0085
hexd6fd6a2

225433250 has 32 divisors (see below), whose sum is σ = 482302080. Its totient is φ = 77290800.

The previous prime is 225433237. The next prime is 225433279. The reversal of 225433250 is 52334522.

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 15 ways as a sum of consecutive naturals, for example, 62660 + ... + 66159.

It is an arithmetic number, because the mean of its divisors is an integer number (15071940).

Almost surely, 2225433250 is an apocalyptic number.

225433250 is an abundant number, since it is smaller than the sum of its proper divisors (256868830).

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

225433250 is a wasteful number, since it uses less digits than its factorization.

225433250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128843 (or 128833 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 225433250 is about 15014.4347212940. The cubic root of 225433250 is about 608.6103365157.

Adding to 225433250 its reverse (52334522), we get a palindrome (277767772).

The spelling of 225433250 in words is "two hundred twenty-five million, four hundred thirty-three thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 875 1750 128819 257638 644095 901733 1288190 1803466 3220475 4508665 6440950 9017330 16102375 22543325 32204750 45086650 112716625 225433250