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223201 = 11103197
BaseRepresentation
bin110110011111100001
3102100011201
4312133201
524120301
64441201
71616506
oct663741
9370151
10223201
11142770
12a9201
137a794
145b4ad
1546201
hex367e1

223201 has 8 divisors (see below), whose sum is σ = 247104. Its totient is φ = 199920.

The previous prime is 223151. The next prime is 223207. The reversal of 223201 is 102322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223201 is a prime.

It is a super-3 number, since 3×2232013 = 33358741870168803, which contains 333 as substring.

223201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (223207) 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, 1035 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (30888).

2223201 is an apocalyptic number.

It is an amenable number.

223201 is a deficient number, since it is larger than the sum of its proper divisors (23903).

223201 is a wasteful number, since it uses less digits than its factorization.

223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 223201 is about 472.4415307739. The cubic root of 223201 is about 60.6594840481.

Adding to 223201 its reverse (102322), we get a palindrome (325523).

It can be divided in two parts, 223 and 201, that added together give a palindrome (424).

The spelling of 223201 in words is "two hundred twenty-three thousand, two hundred one", and thus it is an iban number.

Divisors: 1 11 103 197 1133 2167 20291 223201