Base | Representation |
---|---|
bin | 1101110001101… |
… | …0101000011100 |
3 | 11000201120022022 |
4 | 3130122220130 |
5 | 104242441024 |
6 | 5422235312 |
7 | 1301062016 |
oct | 334325034 |
9 | 130646268 |
10 | 57780764 |
11 | 2a6855a8 |
12 | 17425b38 |
13 | bc80b02 |
14 | 79611b6 |
15 | 511535e |
hex | 371aa1c |
57780764 has 6 divisors (see below), whose sum is σ = 101116344. Its totient is φ = 28890380.
The previous prime is 57780713. The next prime is 57780769. The reversal of 57780764 is 46708775.
57780764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×577807643 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57780769) by changing a digit.
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 as a sum of consecutive naturals, namely, 7222592 + ... + 7222599.
It is an arithmetic number, because the mean of its divisors is an integer number (16852724).
Almost surely, 257780764 is an apocalyptic number.
It is an amenable number.
57780764 is a deficient number, since it is larger than the sum of its proper divisors (43335580).
57780764 is a wasteful number, since it uses less digits than its factorization.
57780764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14445195 (or 14445193 counting only the distinct ones).
The product of its (nonzero) digits is 329280, while the sum is 44.
The square root of 57780764 is about 7601.3659298839. The cubic root of 57780764 is about 386.5993266930.
The spelling of 57780764 in words is "fifty-seven million, seven hundred eighty thousand, seven hundred sixty-four".
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