Base | Representation |
---|---|
bin | 111101000111101… |
… | …101111000111001 |
3 | 2122110112101211101 |
4 | 331013231320321 |
5 | 4100002330040 |
6 | 245430331401 |
7 | 34261016002 |
oct | 7507557071 |
9 | 2573471741 |
10 | 1025433145 |
11 | 486915110 |
12 | 2474b9b61 |
13 | 1345a3599 |
14 | 9a28c1a9 |
15 | 6005709a |
hex | 3d1ede39 |
1025433145 has 8 divisors (see below), whose sum is σ = 1342385280. Its totient is φ = 745769520.
The previous prime is 1025433137. The next prime is 1025433197. The reversal of 1025433145 is 5413345201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1025433145 - 23 = 1025433137 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 9322065 + ... + 9322174.
It is an arithmetic number, because the mean of its divisors is an integer number (167798160).
Almost surely, 21025433145 is an apocalyptic number.
It is an amenable number.
1025433145 is a deficient number, since it is larger than the sum of its proper divisors (316952135).
1025433145 is a wasteful number, since it uses less digits than its factorization.
1025433145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18644255.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 1025433145 is about 32022.3850610788. The cubic root of 1025433145 is about 1008.4068419571.
Adding to 1025433145 its reverse (5413345201), we get a palindrome (6438778346).
The spelling of 1025433145 in words is "one billion, twenty-five million, four hundred thirty-three thousand, one hundred forty-five".
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