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224118 = 23212451
BaseRepresentation
bin110110101101110110
3102101102200
4312231312
524132433
64445330
71622256
oct665566
9371380
10224118
11143424
12a9846
137b01b
145b966
1546613
hex36b76

224118 has 12 divisors (see below), whose sum is σ = 485628. Its totient is φ = 74700.

The previous prime is 224113. The next prime is 224129. The reversal of 224118 is 811422.

224118 is nontrivially palindromic in base 8.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12451 = 224118 / (2 + 2 + 4 + 1 + 1 + 8).

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 224118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224113) by changing a digit.

224118 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, 6208 + ... + 6243.

It is an arithmetic number, because the mean of its divisors is an integer number (40469).

2224118 is an apocalyptic number.

224118 is an abundant number, since it is smaller than the sum of its proper divisors (261510).

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

224118 is a wasteful number, since it uses less digits than its factorization.

224118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459 (or 12456 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 224118 is about 473.4110264876. The cubic root of 224118 is about 60.7424417767.

The spelling of 224118 in words is "two hundred twenty-four thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 18 12451 24902 37353 74706 112059 224118