Base | Representation |
---|---|
bin | 1101101110000… |
… | …1000101010101 |
3 | 11000021120221222 |
4 | 3123201011111 |
5 | 104212420140 |
6 | 5413220125 |
7 | 1266060545 |
oct | 333410525 |
9 | 130246858 |
10 | 57545045 |
11 | 2a534498 |
12 | 17331645 |
13 | bbca72c |
14 | 78dd325 |
15 | 50ba5b5 |
hex | 36e1155 |
57545045 has 4 divisors (see below), whose sum is σ = 69054060. Its totient is φ = 46036032.
The previous prime is 57545009. The next prime is 57545071. The reversal of 57545045 is 54054575.
57545045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 25180324 + 32364721 = 5018^2 + 5689^2 .
It is a cyclic number.
It is not a de Polignac number, because 57545045 - 210 = 57544021 is a prime.
It is a super-2 number, since 2×575450452 = 6622864408104050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 57544996 and 57545014.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5754500 + ... + 5754509.
It is an arithmetic number, because the mean of its divisors is an integer number (17263515).
Almost surely, 257545045 is an apocalyptic number.
It is an amenable number.
57545045 is a deficient number, since it is larger than the sum of its proper divisors (11509015).
57545045 is a wasteful number, since it uses less digits than its factorization.
57545045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11509014.
The product of its (nonzero) digits is 70000, while the sum is 35.
The square root of 57545045 is about 7585.8450419185. The cubic root of 57545045 is about 386.0728942309.
The spelling of 57545045 in words is "fifty-seven million, five hundred forty-five thousand, forty-five".
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