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242226 = 23213457
BaseRepresentation
bin111011001000110010
3110022021100
4323020302
530222401
65105230
72026125
oct731062
9408240
10242226
11155a96
12b8216
138633a
14643bc
154bb86
hex3b232

242226 has 12 divisors (see below), whose sum is σ = 524862. Its totient is φ = 80736.

The previous prime is 242201. The next prime is 242227. The reversal of 242226 is 622242.

It is a happy number.

242226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 123201 + 119025 = 351^2 + 345^2 .

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: 13457 = 242226 / (2 + 4 + 2 + 2 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 242199 and 242208.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242226.

It is not an unprimeable number, because it can be changed into a prime (242227) by changing a digit.

242226 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, 6711 + ... + 6746.

2242226 is an apocalyptic number.

242226 is an abundant number, since it is smaller than the sum of its proper divisors (282636).

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

242226 is a wasteful number, since it uses less digits than its factorization.

242226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465 (or 13462 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 242226 is about 492.1646066104. The cubic root of 242226 is about 62.3361897007.

Adding to 242226 its reverse (622242), we get a palindrome (864468).

The spelling of 242226 in words is "two hundred forty-two thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 18 13457 26914 40371 80742 121113 242226