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225463236 = 22318788603
BaseRepresentation
bin11010111000001…
…00101111000100
3120201020201102020
431130010233010
5430204310421
634212243140
75405256135
oct1534045704
9521221366
10225463236
111062a4959
12636104b0
13379312cb
1421d2dc8c
1514bd8dc6
hexd704bc4

225463236 has 12 divisors (see below), whose sum is σ = 526080912. Its totient is φ = 75154408.

The previous prime is 225463123. The next prime is 225463247. The reversal of 225463236 is 632364522.

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

It is a junction number, because it is equal to n+sod(n) for n = 225463197 and 225463206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9394290 + ... + 9394313.

It is an arithmetic number, because the mean of its divisors is an integer number (43840076).

Almost surely, 2225463236 is an apocalyptic number.

It is an amenable number.

225463236 is an abundant number, since it is smaller than the sum of its proper divisors (300617676).

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

225463236 is a wasteful number, since it uses less digits than its factorization.

225463236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18788610 (or 18788608 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 225463236 is about 15015.4332604824. The cubic root of 225463236 is about 608.6373200839.

The spelling of 225463236 in words is "two hundred twenty-five million, four hundred sixty-three thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 18788603 37577206 56365809 75154412 112731618 225463236