Base | Representation |
---|---|
bin | 1101110001001… |
… | …0011111100001 |
3 | 11000122212120112 |
4 | 3130102133201 |
5 | 104240404200 |
6 | 5421421105 |
7 | 1300562561 |
oct | 334223741 |
9 | 130585515 |
10 | 57747425 |
11 | 2a66254a |
12 | 1740a795 |
13 | bc6b898 |
14 | 7952da1 |
15 | 510a535 |
hex | 37127e1 |
57747425 has 6 divisors (see below), whose sum is σ = 71606838. Its totient is φ = 46197920.
The previous prime is 57747401. The next prime is 57747427. The reversal of 57747425 is 52474775.
It can be written as a sum of positive squares in 3 ways, for example, as 351649 + 57395776 = 593^2 + 7576^2 .
It is not a de Polignac number, because 57747425 - 214 = 57731041 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (57747427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1154924 + ... + 1154973.
It is an arithmetic number, because the mean of its divisors is an integer number (11934473).
Almost surely, 257747425 is an apocalyptic number.
It is an amenable number.
57747425 is a deficient number, since it is larger than the sum of its proper divisors (13859413).
57747425 is a wasteful number, since it uses less digits than its factorization.
57747425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2309907 (or 2309902 counting only the distinct ones).
The product of its digits is 274400, while the sum is 41.
The square root of 57747425 is about 7599.1726523353. The cubic root of 57747425 is about 386.5249575675.
The spelling of 57747425 in words is "fifty-seven million, seven hundred forty-seven thousand, four hundred twenty-five".
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