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225797 = 11131579
BaseRepresentation
bin110111001000000101
3102110201212
4313020011
524211142
64501205
71630205
oct671005
9373655
10225797
11144710
12aa805
137ba10
145c405
1546d82
hex37205

225797 has 8 divisors (see below), whose sum is σ = 265440. Its totient is φ = 189360.

The previous prime is 225781. The next prime is 225809. The reversal of 225797 is 797522.

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 225797 - 24 = 225781 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 (225767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (33180).

2225797 is an apocalyptic number.

It is an amenable number.

225797 is a deficient number, since it is larger than the sum of its proper divisors (39643).

225797 is a wasteful number, since it uses less digits than its factorization.

225797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its digits is 8820, while the sum is 32.

The square root of 225797 is about 475.1810181394. The cubic root of 225797 is about 60.8937503642.

The spelling of 225797 in words is "two hundred twenty-five thousand, seven hundred ninety-seven".

Divisors: 1 11 13 143 1579 17369 20527 225797