Base | Representation |
---|---|
bin | 101010111111010… |
… | …0101001101110101 |
3 | 10201112021000002121 |
4 | 1111332211031311 |
5 | 10423232444400 |
6 | 355045035541 |
7 | 50513532115 |
oct | 12576451565 |
9 | 3645230077 |
10 | 1442468725 |
11 | 680266115 |
12 | 3430b5bb1 |
13 | 19cacabb9 |
14 | d9809045 |
15 | 8698321a |
hex | 55fa5375 |
1442468725 has 6 divisors (see below), whose sum is σ = 1788661250. Its totient is φ = 1153974960.
The previous prime is 1442468689. The next prime is 1442468737. The reversal of 1442468725 is 5278642441.
It can be written as a sum of positive squares in 3 ways, for example, as 25623844 + 1416844881 = 5062^2 + 37641^2 .
It is not a de Polignac number, because 1442468725 - 27 = 1442468597 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28849350 + ... + 28849399.
Almost surely, 21442468725 is an apocalyptic number.
It is an amenable number.
1442468725 is a deficient number, since it is larger than the sum of its proper divisors (346192525).
1442468725 is an equidigital number, since it uses as much as digits as its factorization.
1442468725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57698759 (or 57698754 counting only the distinct ones).
The product of its digits is 430080, while the sum is 43.
The square root of 1442468725 is about 37979.8463003736. The cubic root of 1442468725 is about 1129.8881882215. Note that the first 3 decimals are identical.
The spelling of 1442468725 in words is "one billion, four hundred forty-two million, four hundred sixty-eight thousand, seven hundred twenty-five".
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