Base | Representation |
---|---|
bin | 101010111110110… |
… | …1001110001001001 |
3 | 10201111210122002002 |
4 | 1111331221301021 |
5 | 10423202201400 |
6 | 355035520345 |
7 | 50511466160 |
oct | 12575516111 |
9 | 3644718062 |
10 | 1442225225 |
11 | 68010a181 |
12 | 342bb90b5 |
13 | 19ca4410c |
14 | d97843d7 |
15 | 86935ed5 |
hex | 55f69c49 |
1442225225 has 24 divisors (see below), whose sum is σ = 2093699328. Its totient is φ = 964828800.
The previous prime is 1442225177. The next prime is 1442225231. The reversal of 1442225225 is 5225222441.
It is a happy number.
It is not a de Polignac number, because 1442225225 - 216 = 1442159689 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93329 + ... + 107678.
It is an arithmetic number, because the mean of its divisors is an integer number (87237472).
Almost surely, 21442225225 is an apocalyptic number.
It is an amenable number.
1442225225 is a deficient number, since it is larger than the sum of its proper divisors (651474103).
1442225225 is a wasteful number, since it uses less digits than its factorization.
1442225225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201065 (or 201060 counting only the distinct ones).
The product of its digits is 12800, while the sum is 29.
The square root of 1442225225 is about 37976.6405175603. The cubic root of 1442225225 is about 1129.8246066566.
Adding to 1442225225 its reverse (5225222441), we get a palindrome (6667447666).
The spelling of 1442225225 in words is "one billion, four hundred forty-two million, two hundred twenty-five thousand, two hundred twenty-five".
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