Base | Representation |
---|---|
bin | 111110101101001… |
… | …010001001100101 |
3 | 2201022120102121101 |
4 | 332231022021211 |
5 | 4123304303240 |
6 | 252220320101 |
7 | 35033032402 |
oct | 7655121145 |
9 | 2638512541 |
10 | 1052025445 |
11 | 49a928319 |
12 | 2543a3031 |
13 | 139c54483 |
14 | 9da112a9 |
15 | 6255b39a |
hex | 3eb4a265 |
1052025445 has 8 divisors (see below), whose sum is σ = 1264367736. Its totient is φ = 840328896.
The previous prime is 1052025439. The next prime is 1052025449. The reversal of 1052025445 is 5445202501.
It can be written as a sum of positive squares in 4 ways, for example, as 30008484 + 1022016961 = 5478^2 + 31969^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1052025445 - 25 = 1052025413 is a prime.
It is a super-2 number, since 2×10520254452 = 2213515073854896050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1052025449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157842 + ... + 164371.
It is an arithmetic number, because the mean of its divisors is an integer number (158045967).
Almost surely, 21052025445 is an apocalyptic number.
It is an amenable number.
1052025445 is a deficient number, since it is larger than the sum of its proper divisors (212342291).
1052025445 is an equidigital number, since it uses as much as digits as its factorization.
1052025445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322871.
The product of its (nonzero) digits is 8000, while the sum is 28.
The square root of 1052025445 is about 32434.9417295607. The cubic root of 1052025445 is about 1017.0494782827.
Adding to 1052025445 its reverse (5445202501), we get a palindrome (6497227946).
The spelling of 1052025445 in words is "one billion, fifty-two million, twenty-five thousand, four hundred forty-five".
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