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224568 = 23323119
BaseRepresentation
bin110110110100111000
3102102001100
4312310320
524141233
64451400
71623501
oct666470
9372040
10224568
111437a3
12a9b60
137b2a6
145bba8
1546813
hex36d38

224568 has 24 divisors (see below), whose sum is σ = 608400. Its totient is φ = 74832.

The previous prime is 224563. The next prime is 224569. The reversal of 224568 is 865422.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224563) by changing a digit.

224568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1488 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (25350).

2224568 is an apocalyptic number.

It is an amenable number.

224568 is an abundant number, since it is smaller than the sum of its proper divisors (383832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224568 is a wasteful number, since it uses less digits than its factorization.

224568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3124 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 224568 is about 473.8860622555. The cubic root of 224568 is about 60.7830689237.

The spelling of 224568 in words is "two hundred twenty-four thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3119 6238 9357 12476 18714 24952 28071 37428 56142 74856 112284 224568