Base | Representation |
---|---|
bin | 1101110001101… |
… | …1011100000100 |
3 | 11000201201211200 |
4 | 3130123130010 |
5 | 104243042233 |
6 | 5422302500 |
7 | 1301104446 |
oct | 334333404 |
9 | 130651750 |
10 | 57784068 |
11 | 2a688031 |
12 | 17427a30 |
13 | bc82474 |
14 | 7962496 |
15 | 5116313 |
hex | 371b704 |
57784068 has 36 divisors (see below), whose sum is σ = 146376048. Its totient is φ = 19220400.
The previous prime is 57784057. The next prime is 57784079. The reversal of 57784068 is 86048775.
57784068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (57784057) and next prime (57784079).
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18843 + ... + 21693.
Almost surely, 257784068 is an apocalyptic number.
It is an amenable number.
57784068 is an abundant number, since it is smaller than the sum of its proper divisors (88591980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57784068 is a wasteful number, since it uses less digits than its factorization.
57784068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3424 (or 3419 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 57784068 is about 7601.5832561382. The cubic root of 57784068 is about 386.6066953496.
The spelling of 57784068 in words is "fifty-seven million, seven hundred eighty-four thousand, sixty-eight".
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