Base | Representation |
---|---|
bin | 1101100110111… |
… | …0100011000001 |
3 | 10222101202102102 |
4 | 3121232203001 |
5 | 104102412110 |
6 | 5355200145 |
7 | 1262065025 |
oct | 331564301 |
9 | 128352372 |
10 | 57075905 |
11 | 2a243a77 |
12 | 17146055 |
13 | ba95033 |
14 | 781a385 |
15 | 50265a5 |
hex | 366e8c1 |
57075905 has 24 divisors (see below), whose sum is σ = 73225152. Its totient is φ = 42698016.
The previous prime is 57075901. The next prime is 57075923. The reversal of 57075905 is 50957075.
57075905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57075905 - 22 = 57075901 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (57075901) 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 in 23 ways as a sum of consecutive naturals, for example, 185762 + ... + 186068.
It is an arithmetic number, because the mean of its divisors is an integer number (3051048).
Almost surely, 257075905 is an apocalyptic number.
It is an amenable number.
57075905 is a deficient number, since it is larger than the sum of its proper divisors (16149247).
57075905 is a wasteful number, since it uses less digits than its factorization.
57075905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453 (or 434 counting only the distinct ones).
The product of its (nonzero) digits is 55125, while the sum is 38.
The square root of 57075905 is about 7554.8596942630. The cubic root of 57075905 is about 385.0208680430.
The spelling of 57075905 in words is "fifty-seven million, seventy-five thousand, nine hundred five".
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