Base | Representation |
---|---|
bin | 111110010010111… |
… | …001001000111001 |
3 | 2200211121121120211 |
4 | 332102321020321 |
5 | 4120023440100 |
6 | 251412551121 |
7 | 34620354316 |
oct | 7622711071 |
9 | 2624547524 |
10 | 1045140025 |
11 | 496a55196 |
12 | 2520224a1 |
13 | 1386b3467 |
14 | 9cb3bd0d |
15 | 61b4b1ba |
hex | 3e4b9239 |
1045140025 has 12 divisors (see below), whose sum is σ = 1372207932. Its totient is φ = 786928640.
The previous prime is 1045140017. The next prime is 1045140037. The reversal of 1045140025 is 5200415401.
It can be written as a sum of positive squares in 6 ways, for example, as 146579449 + 898560576 = 12107^2 + 29976^2 .
It is not a de Polignac number, because 1045140025 - 23 = 1045140017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1045139978 and 1045140005.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1229152 + ... + 1230001.
It is an arithmetic number, because the mean of its divisors is an integer number (114350661).
Almost surely, 21045140025 is an apocalyptic number.
It is an amenable number.
1045140025 is a deficient number, since it is larger than the sum of its proper divisors (327067907).
1045140025 is a wasteful number, since it uses less digits than its factorization.
1045140025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2459180 (or 2459175 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 1045140025 is about 32328.6254734098. The cubic root of 1045140025 is about 1014.8257848485.
Adding to 1045140025 its reverse (5200415401), we get a palindrome (6245555426).
The spelling of 1045140025 in words is "one billion, forty-five million, one hundred forty thousand, twenty-five".
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