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225463 = 7311039
BaseRepresentation
bin110111000010110111
3102110021111
4313002313
524203323
64455451
71626220
oct670267
9373244
10225463
11144437
12aa587
137b814
145c247
1546c0d
hex370b7

225463 has 8 divisors (see below), whose sum is σ = 266240. Its totient is φ = 186840.

The previous prime is 225461. The next prime is 225479. The reversal of 225463 is 364522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225463 - 21 = 225461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (33280).

2225463 is an apocalyptic number.

225463 is a deficient number, since it is larger than the sum of its proper divisors (40777).

225463 is a wasteful number, since it uses less digits than its factorization.

225463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its digits is 1440, while the sum is 22.

The square root of 225463 is about 474.8294430635. The cubic root of 225463 is about 60.8637107723.

Adding to 225463 its reverse (364522), we get a palindrome (589985).

The spelling of 225463 in words is "two hundred twenty-five thousand, four hundred sixty-three".

Divisors: 1 7 31 217 1039 7273 32209 225463