Base | Representation |
---|---|
bin | 100101000101001… |
… | …0101101010001101 |
3 | 10012201020010122121 |
4 | 1022022111222031 |
5 | 10022010133031 |
6 | 323244012541 |
7 | 42555505426 |
oct | 11212255215 |
9 | 3181203577 |
10 | 1244224141 |
11 | 589372016 |
12 | 2a8831151 |
13 | 16aa09904 |
14 | bb36264d |
15 | 74374011 |
hex | 4a295a8d |
1244224141 has 16 divisors (see below), whose sum is σ = 1276176384. Its totient is φ = 1212816384.
The previous prime is 1244224117. The next prime is 1244224147. The reversal of 1244224141 is 1414224421.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1244224141 - 25 = 1244224109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1244224147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3248436 + ... + 3248818.
It is an arithmetic number, because the mean of its divisors is an integer number (79761024).
Almost surely, 21244224141 is an apocalyptic number.
It is an amenable number.
1244224141 is a deficient number, since it is larger than the sum of its proper divisors (31952243).
1244224141 is a wasteful number, since it uses less digits than its factorization.
1244224141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 900.
The product of its digits is 2048, while the sum is 25.
The square root of 1244224141 is about 35273.5615014985. The cubic root of 1244224141 is about 1075.5556214810. Note that the first 3 decimals are identical.
Adding to 1244224141 its reverse (1414224421), we get a palindrome (2658448562).
The spelling of 1244224141 in words is "one billion, two hundred forty-four million, two hundred twenty-four thousand, one hundred forty-one".
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