Base | Representation |
---|---|
bin | 1101110001110… |
… | …0100111010101 |
3 | 11000201222110002 |
4 | 3130130213111 |
5 | 104243221020 |
6 | 5422341045 |
7 | 1301124500 |
oct | 334344725 |
9 | 130658402 |
10 | 57788885 |
11 | 2a690710 |
12 | 1742a785 |
13 | bc8470b |
14 | 7964137 |
15 | 5117975 |
hex | 371c9d5 |
57788885 has 48 divisors (see below), whose sum is σ = 90320832. Its totient is φ = 35078400.
The previous prime is 57788869. The next prime is 57788923. The reversal of 57788885 is 58888775.
It is a happy number.
It is not a de Polignac number, because 57788885 - 24 = 57788869 is a prime.
It is a super-3 number, since 3×577888853 (a number of 24 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 57788885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110234 + ... + 110756.
It is an arithmetic number, because the mean of its divisors is an integer number (1881684).
Almost surely, 257788885 is an apocalyptic number.
57788885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57788885 is a deficient number, since it is larger than the sum of its proper divisors (32531947).
57788885 is a wasteful number, since it uses less digits than its factorization.
57788885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 594 (or 587 counting only the distinct ones).
The product of its digits is 5017600, while the sum is 56.
The square root of 57788885 is about 7601.9000914245. The cubic root of 57788885 is about 386.6174378303.
The spelling of 57788885 in words is "fifty-seven million, seven hundred eighty-eight thousand, eight hundred eighty-five".
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