Base | Representation |
---|---|
bin | 1101101101001… |
… | …0101111010001 |
3 | 11000011121100211 |
4 | 3123102233101 |
5 | 104204030124 |
6 | 5412044121 |
7 | 1265424340 |
oct | 333225721 |
9 | 130147324 |
10 | 57486289 |
11 | 2a4a4333 |
12 | 17303641 |
13 | bba9a73 |
14 | 78c5b57 |
15 | 50a7e94 |
hex | 36d2bd1 |
57486289 has 8 divisors (see below), whose sum is σ = 65744640. Its totient is φ = 49239456.
The previous prime is 57486281. The next prime is 57486293. The reversal of 57486289 is 98268475.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57486289 - 23 = 57486281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57486281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16872 + ... + 19990.
It is an arithmetic number, because the mean of its divisors is an integer number (8218080).
Almost surely, 257486289 is an apocalyptic number.
It is an amenable number.
57486289 is a deficient number, since it is larger than the sum of its proper divisors (8258351).
57486289 is a wasteful number, since it uses less digits than its factorization.
57486289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5759.
The product of its digits is 967680, while the sum is 49.
The square root of 57486289 is about 7581.9713135833. The cubic root of 57486289 is about 385.9414503980.
It can be divided in two parts, 57486 and 289, that added together give a palindrome (57775).
The spelling of 57486289 in words is "fifty-seven million, four hundred eighty-six thousand, two hundred eighty-nine".
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