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1244227 = 4130347
BaseRepresentation
bin100101111110001000011
32100012202111
410233301003
5304303402
642400151
713401325
oct4576103
92305674
101244227
1177a896
12500057
1334743a
14245615
151989d7
hex12fc43

1244227 has 4 divisors (see below), whose sum is σ = 1274616. Its totient is φ = 1213840.

The previous prime is 1244203. The next prime is 1244233. The reversal of 1244227 is 7224421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7224421 = 13752733.

It is a cyclic number.

It is not a de Polignac number, because 1244227 - 27 = 1244099 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1244198 and 1244207.

It is not an unprimeable number, because it can be changed into a prime (1244027) 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, 15133 + ... + 15214.

It is an arithmetic number, because the mean of its divisors is an integer number (318654).

21244227 is an apocalyptic number.

1244227 is a deficient number, since it is larger than the sum of its proper divisors (30389).

1244227 is an equidigital number, since it uses as much as digits as its factorization.

1244227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30388.

The product of its digits is 896, while the sum is 22.

The square root of 1244227 is about 1115.4492368548. The cubic root of 1244227 is about 107.5556445291. Note that the first 3 decimals are identical.

Adding to 1244227 its reverse (7224421), we get a palindrome (8468648).

The spelling of 1244227 in words is "one million, two hundred forty-four thousand, two hundred twenty-seven".

Divisors: 1 41 30347 1244227