Base | Representation |
---|---|
bin | 1110100011011… |
… | …0010111111101 |
3 | 11020212011022101 |
4 | 3220312113331 |
5 | 111111241000 |
6 | 10020145101 |
7 | 1340555356 |
oct | 350662775 |
9 | 136764271 |
10 | 61040125 |
11 | 31501393 |
12 | 18538191 |
13 | c852523 |
14 | 816cd2d |
15 | 555ae6a |
hex | 3a365fd |
61040125 has 8 divisors (see below), whose sum is σ = 76178232. Its totient is φ = 48832000.
The previous prime is 61040123. The next prime is 61040167. The reversal of 61040125 is 52104016.
It can be written as a sum of positive squares in 4 ways, for example, as 168921 + 60871204 = 411^2 + 7802^2 .
It is not a de Polignac number, because 61040125 - 21 = 61040123 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61040123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244036 + ... + 244285.
It is an arithmetic number, because the mean of its divisors is an integer number (9522279).
Almost surely, 261040125 is an apocalyptic number.
It is an amenable number.
61040125 is a deficient number, since it is larger than the sum of its proper divisors (15138107).
61040125 is an equidigital number, since it uses as much as digits as its factorization.
61040125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488336 (or 488326 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 61040125 is about 7812.8179935283. The cubic root of 61040125 is about 393.7360119327.
The spelling of 61040125 in words is "sixty-one million, forty thousand, one hundred twenty-five".
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