Base | Representation |
---|---|
bin | 1101101001101… |
… | …0110101111101 |
3 | 10222201222022021 |
4 | 3122122311331 |
5 | 104124213331 |
6 | 5403120141 |
7 | 1263452011 |
oct | 332326575 |
9 | 128658267 |
10 | 57257341 |
11 | 2a358319 |
12 | 17213051 |
13 | bb297ab |
14 | 7866541 |
15 | 5060211 |
hex | 369ad7d |
57257341 has 6 divisors (see below), whose sum is σ = 59164926. Its totient is φ = 55409400.
The previous prime is 57257323. The next prime is 57257363. The reversal of 57257341 is 14375275.
It can be written as a sum of positive squares in only one way, i.e., 53071225 + 4186116 = 7285^2 + 2046^2 .
It is not a de Polignac number, because 57257341 - 211 = 57255293 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 57257297 and 57257306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57257041) 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 5 ways as a sum of consecutive naturals, for example, 28830 + ... + 30751.
It is an arithmetic number, because the mean of its divisors is an integer number (9860821).
Almost surely, 257257341 is an apocalyptic number.
It is an amenable number.
57257341 is a deficient number, since it is larger than the sum of its proper divisors (1907585).
57257341 is an equidigital number, since it uses as much as digits as its factorization.
57257341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59643 (or 59612 counting only the distinct ones).
The product of its digits is 29400, while the sum is 34.
The square root of 57257341 is about 7566.8580665954. The cubic root of 57257341 is about 385.4284116190.
The spelling of 57257341 in words is "fifty-seven million, two hundred fifty-seven thousand, three hundred forty-one".
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