Base | Representation |
---|---|
bin | 1101100111000… |
… | …1100101011101 |
3 | 10222102101111022 |
4 | 3121301211131 |
5 | 104103311344 |
6 | 5355333525 |
7 | 1262146223 |
oct | 331614535 |
9 | 128371438 |
10 | 57088349 |
11 | 2a25235a |
12 | 171512a5 |
13 | ba9a8b6 |
14 | 7820b13 |
15 | 502a0ee |
hex | 367195d |
57088349 has 2 divisors, whose sum is σ = 57088350. Its totient is φ = 57088348.
The previous prime is 57088337. The next prime is 57088351. The reversal of 57088349 is 94388075.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 57002500 + 85849 = 7550^2 + 293^2 .
It is a cyclic number.
It is not a de Polignac number, because 57088349 - 24 = 57088333 is a prime.
Together with 57088351, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p3399398 and since 57088349 and 3399398 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57088309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28544174 + 28544175.
It is an arithmetic number, because the mean of its divisors is an integer number (28544175).
Almost surely, 257088349 is an apocalyptic number.
It is an amenable number.
57088349 is a deficient number, since it is larger than the sum of its proper divisors (1).
57088349 is an equidigital number, since it uses as much as digits as its factorization.
57088349 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 241920, while the sum is 44.
The square root of 57088349 is about 7555.6832252285. The cubic root of 57088349 is about 385.0488474593.
The spelling of 57088349 in words is "fifty-seven million, eighty-eight thousand, three hundred forty-nine".
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