Search a number
224043 = 31723191
BaseRepresentation
bin110110101100101011
3102101022220
4312230223
524132133
64445123
71622121
oct665453
9371286
10224043
11143366
12a97a3
137ac91
145b911
15465b3
hex36b2b

224043 has 16 divisors (see below), whose sum is σ = 331776. Its totient is φ = 133760.

The previous prime is 224041. The next prime is 224047. The reversal of 224043 is 340422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 224043 - 21 = 224041 is a prime.

224043 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224041) 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 15 ways as a sum of consecutive naturals, for example, 1078 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (20736).

2224043 is an apocalyptic number.

224043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

224043 is a deficient number, since it is larger than the sum of its proper divisors (107733).

224043 is a wasteful number, since it uses less digits than its factorization.

224043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 224043 is about 473.3318075093. The cubic root of 224043 is about 60.7356652998.

Adding to 224043 its reverse (340422), we get a palindrome (564465).

The spelling of 224043 in words is "two hundred twenty-four thousand, forty-three", and thus it is an iban number.