Base | Representation |
---|---|
bin | 1101110010001… |
… | …0011011100001 |
3 | 11000210012010022 |
4 | 3130202123201 |
5 | 104300001310 |
6 | 5423043225 |
7 | 1301254106 |
oct | 334423341 |
9 | 130705108 |
10 | 57812705 |
11 | 2a6a75a5 |
12 | 17440515 |
13 | bc92502 |
14 | 796caad |
15 | 511ea55 |
hex | 37226e1 |
57812705 has 8 divisors (see below), whose sum is σ = 69603072. Its totient is φ = 46098288.
The previous prime is 57812693. The next prime is 57812749. The reversal of 57812705 is 50721875.
57812705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57812705 - 26 = 57812641 is a prime.
It is a Duffinian number.
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 7 ways as a sum of consecutive naturals, for example, 17297 + ... + 20366.
It is an arithmetic number, because the mean of its divisors is an integer number (8700384).
Almost surely, 257812705 is an apocalyptic number.
It is an amenable number.
57812705 is a deficient number, since it is larger than the sum of its proper divisors (11790367).
57812705 is a wasteful number, since it uses less digits than its factorization.
57812705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37975.
The product of its (nonzero) digits is 19600, while the sum is 35.
The square root of 57812705 is about 7603.4666435778. The cubic root of 57812705 is about 386.6705504796.
The spelling of 57812705 in words is "fifty-seven million, eight hundred twelve thousand, seven hundred five".
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