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223141 = 227983
BaseRepresentation
bin110110011110100101
3102100002111
4312132211
524120031
64441021
71616362
oct663645
9370074
10223141
11142716
12a9171
137a749
145b469
15461b1
hex367a5

223141 has 4 divisors (see below), whose sum is σ = 224352. Its totient is φ = 221932.

The previous prime is 223133. The next prime is 223151. The reversal of 223141 is 141322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223141 - 23 = 223133 is a prime.

It is a super-3 number, since 3×2231413 = 33331847010576663, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223151) 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 3 ways as a sum of consecutive naturals, for example, 265 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (56088).

2223141 is an apocalyptic number.

It is an amenable number.

223141 is a deficient number, since it is larger than the sum of its proper divisors (1211).

223141 is an equidigital number, since it uses as much as digits as its factorization.

223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its digits is 48, while the sum is 13.

The square root of 223141 is about 472.3780265846. The cubic root of 223141 is about 60.6540481477.

Adding to 223141 its reverse (141322), we get a palindrome (364463).

The spelling of 223141 in words is "two hundred twenty-three thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 227 983 223141