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225431392 = 257044731
BaseRepresentation
bin11010110111111…
…00111101100000
3120201012002201211
431123330331200
5430202301032
634211435504
75405064244
oct1533747540
9521162654
10225431392
11106282a3a
12635b5b94
133791c974
1421d22424
1514bce747
hexd6fcf60

225431392 has 12 divisors (see below), whose sum is σ = 443818116. Its totient is φ = 112715680.

The previous prime is 225431387. The next prime is 225431429. The reversal of 225431392 is 293134522.

225431392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3522334 + ... + 3522397.

It is an arithmetic number, because the mean of its divisors is an integer number (36984843).

Almost surely, 2225431392 is an apocalyptic number.

It is an amenable number.

225431392 is a deficient number, since it is larger than the sum of its proper divisors (218386724).

225431392 is an equidigital number, since it uses as much as digits as its factorization.

225431392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044741 (or 7044733 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 225431392 is about 15014.3728473753. The cubic root of 225431392 is about 608.6086644744.

The spelling of 225431392 in words is "two hundred twenty-five million, four hundred thirty-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 7044731 14089462 28178924 56357848 112715696 225431392