Base | Representation |
---|---|
bin | 1101101100101… |
… | …0001000100111 |
3 | 11000002211000120 |
4 | 3123022020213 |
5 | 104201413142 |
6 | 5411213023 |
7 | 1265216523 |
oct | 333121047 |
9 | 130084016 |
10 | 57451047 |
11 | 2a47a905 |
12 | 172a7173 |
13 | bb96a04 |
14 | 78b6d83 |
15 | 509c7ec |
hex | 36ca227 |
57451047 has 8 divisors (see below), whose sum is σ = 78671856. Its totient is φ = 37265472.
The previous prime is 57451039. The next prime is 57451049. The reversal of 57451047 is 74015475.
57451047 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 not a de Polignac number, because 57451047 - 23 = 57451039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 57450999 and 57451017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57451049) 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 7 ways as a sum of consecutive naturals, for example, 258678 + ... + 258899.
It is an arithmetic number, because the mean of its divisors is an integer number (9833982).
Almost surely, 257451047 is an apocalyptic number.
57451047 is a deficient number, since it is larger than the sum of its proper divisors (21220809).
57451047 is a wasteful number, since it uses less digits than its factorization.
57451047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 517617.
The product of its (nonzero) digits is 19600, while the sum is 33.
The square root of 57451047 is about 7579.6468915115. The cubic root of 57451047 is about 385.8625670723.
The spelling of 57451047 in words is "fifty-seven million, four hundred fifty-one thousand, forty-seven".
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