Base | Representation |
---|---|
bin | 1111100101011… |
… | …11111011011001 |
3 | 100010000111002022 |
4 | 13302233323121 |
5 | 231432302100 |
6 | 20550144225 |
7 | 3145206626 |
oct | 762577331 |
9 | 303014068 |
10 | 130744025 |
11 | 6788aa15 |
12 | 37952075 |
13 | 21119339 |
14 | 1351534d |
15 | b728e85 |
hex | 7cafed9 |
130744025 has 12 divisors (see below), whose sum is σ = 171659772. Its totient is φ = 98442240.
The previous prime is 130744021. The next prime is 130744043. The reversal of 130744025 is 520447031.
It can be written as a sum of positive squares in 6 ways, for example, as 6911641 + 123832384 = 2629^2 + 11128^2 .
It is not a de Polignac number, because 130744025 - 22 = 130744021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130743985 and 130744003.
It is not an unprimeable number, because it can be changed into a prime (130744021) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 153392 + ... + 154241.
It is an arithmetic number, because the mean of its divisors is an integer number (14304981).
Almost surely, 2130744025 is an apocalyptic number.
It is an amenable number.
130744025 is a deficient number, since it is larger than the sum of its proper divisors (40915747).
130744025 is a wasteful number, since it uses less digits than its factorization.
130744025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307660 (or 307655 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 130744025 is about 11434.3353545364. The cubic root of 130744025 is about 507.5442947094.
The spelling of 130744025 in words is "one hundred thirty million, seven hundred forty-four thousand, twenty-five".
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