Base | Representation |
---|---|
bin | 1101101101001… |
… | …1100010000110 |
3 | 11000011202211022 |
4 | 3123103202012 |
5 | 104204131132 |
6 | 5412111142 |
7 | 1265436665 |
oct | 333234206 |
9 | 130152738 |
10 | 57489542 |
11 | 2a4a6820 |
12 | 173054b2 |
13 | bbab3a6 |
14 | 78c6ddc |
15 | 50a8e12 |
hex | 36d3886 |
57489542 has 32 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 25060000.
The previous prime is 57489539. The next prime is 57489547. The reversal of 57489542 is 24598475.
It is a happy number.
57489542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 57489493 and 57489502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57489547) 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 15 ways as a sum of consecutive naturals, for example, 159959 + ... + 160317.
It is an arithmetic number, because the mean of its divisors is an integer number (3061800).
Almost surely, 257489542 is an apocalyptic number.
57489542 is a deficient number, since it is larger than the sum of its proper divisors (40488058).
57489542 is a wasteful number, since it uses less digits than its factorization.
57489542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 652.
The product of its digits is 403200, while the sum is 44.
The square root of 57489542 is about 7582.1858325947. The cubic root of 57489542 is about 385.9487300693.
The spelling of 57489542 in words is "fifty-seven million, four hundred eighty-nine thousand, five hundred forty-two".
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