Base | Representation |
---|---|
bin | 100101111111111… |
… | …0000001000100001 |
3 | 10021212010212220002 |
4 | 1023333300020201 |
5 | 10102400102200 |
6 | 330303425345 |
7 | 43411231103 |
oct | 11377601041 |
9 | 3255125802 |
10 | 1275003425 |
11 | 5a4784a43 |
12 | 2b6bb5255 |
13 | 1741c54c7 |
14 | c1495573 |
15 | 76e03bd5 |
hex | 4bff0221 |
1275003425 has 6 divisors (see below), whose sum is σ = 1581004278. Its totient is φ = 1020002720.
The previous prime is 1275003407. The next prime is 1275003439. The reversal of 1275003425 is 5243005721.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 105431824 + 1169571601 = 10268^2 + 34199^2 .
It is not a de Polignac number, because 1275003425 - 212 = 1274999329 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25500044 + ... + 25500093.
It is an arithmetic number, because the mean of its divisors is an integer number (263500713).
Almost surely, 21275003425 is an apocalyptic number.
It is an amenable number.
1275003425 is a deficient number, since it is larger than the sum of its proper divisors (306000853).
1275003425 is an equidigital number, since it uses as much as digits as its factorization.
1275003425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51000147 (or 51000142 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 1275003425 is about 35707.1901022749. The cubic root of 1275003425 is about 1084.3524135794.
The spelling of 1275003425 in words is "one billion, two hundred seventy-five million, three thousand, four hundred twenty-five".
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