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225112302 = 23212506239
BaseRepresentation
bin11010110101011…
…11000011101110
3120200120220000200
431122233003232
5430112043202
634200534330
75402265042
oct1532570356
9520526020
10225112302
11106085228
12634813a6
133783a65c
1421c7c022
1514b69e1c
hexd6af0ee

225112302 has 12 divisors (see below), whose sum is σ = 487743360. Its totient is φ = 75037428.

The previous prime is 225112301. The next prime is 225112309. The reversal of 225112302 is 203211522.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12506239 = 225112302 / (2 + 2 + 5 + 1 + 1 + 2 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225112301) 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 5 ways as a sum of consecutive naturals, for example, 6253102 + ... + 6253137.

It is an arithmetic number, because the mean of its divisors is an integer number (40645280).

Almost surely, 2225112302 is an apocalyptic number.

225112302 is an abundant number, since it is smaller than the sum of its proper divisors (262631058).

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

225112302 is a wasteful number, since it uses less digits than its factorization.

225112302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506247 (or 12506244 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 225112302 is about 15003.7429330151. The cubic root of 225112302 is about 608.3213743484.

Adding to 225112302 its reverse (203211522), we get a palindrome (428323824).

The spelling of 225112302 in words is "two hundred twenty-five million, one hundred twelve thousand, three hundred two".

Divisors: 1 2 3 6 9 18 12506239 25012478 37518717 75037434 112556151 225112302