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225430 = 2522543
BaseRepresentation
bin110111000010010110
3102110020021
4313002112
524203210
64455354
71626142
oct670226
9373207
10225430
11144407
12aa55a
137b7ba
145c222
1546bda
hex37096

225430 has 8 divisors (see below), whose sum is σ = 405792. Its totient is φ = 90168.

The previous prime is 225427. The next prime is 225431. The reversal of 225430 is 34522.

225430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225431) 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, 11262 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (50724).

2225430 is an apocalyptic number.

225430 is a deficient number, since it is larger than the sum of its proper divisors (180362).

225430 is a wasteful number, since it uses less digits than its factorization.

225430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22550.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 225430 is about 474.7946924724. The cubic root of 225430 is about 60.8607411787.

Adding to 225430 its reverse (34522), we get a palindrome (259952).

The spelling of 225430 in words is "two hundred twenty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 22543 45086 112715 225430