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225197 = 753607
BaseRepresentation
bin110110111110101101
3102102220122
4312332231
524201242
64454325
71625360
oct667655
9372818
10225197
11144215
12aa3a5
137b66b
145c0d7
1546ad2
hex36fad

225197 has 8 divisors (see below), whose sum is σ = 262656. Its totient is φ = 189072.

The previous prime is 225167. The next prime is 225217. The reversal of 225197 is 791522.

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 225197 - 26 = 225133 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 (225157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (32832).

2225197 is an apocalyptic number.

It is an amenable number.

225197 is a deficient number, since it is larger than the sum of its proper divisors (37459).

225197 is an equidigital number, since it uses as much as digits as its factorization.

225197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its digits is 1260, while the sum is 26.

The square root of 225197 is about 474.5492598245. The cubic root of 225197 is about 60.8397657967.

The spelling of 225197 in words is "two hundred twenty-five thousand, one hundred ninety-seven".

Divisors: 1 7 53 371 607 4249 32171 225197