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225432672 = 2532348257
BaseRepresentation
bin11010110111111…
…01010001100000
3120201012011111020
431123331101200
5430202321142
634211445440
75405101053
oct1533752140
9521164436
10225432672
111062839a3
12635b6880
133792041a
1421d22a9a
1514bcecec
hexd6fd460

225432672 has 24 divisors (see below), whose sum is σ = 591761016. Its totient is φ = 75144192.

The previous prime is 225432671. The next prime is 225432677. The reversal of 225432672 is 276234522.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225432671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174033 + ... + 1174224.

It is an arithmetic number, because the mean of its divisors is an integer number (24656709).

Almost surely, 2225432672 is an apocalyptic number.

It is an amenable number.

225432672 is an abundant number, since it is smaller than the sum of its proper divisors (366328344).

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

225432672 is a wasteful number, since it uses less digits than its factorization.

225432672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348270 (or 2348262 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 225432672 is about 15014.4154731378. The cubic root of 225432672 is about 608.6098163660.

The spelling of 225432672 in words is "two hundred twenty-five million, four hundred thirty-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2348257 4696514 7044771 9393028 14089542 18786056 28179084 37572112 56358168 75144224 112716336 225432672