Base | Representation |
---|---|
bin | 1101101100100… |
… | …0011000100100 |
3 | 11000002110011222 |
4 | 3123020120210 |
5 | 104201201001 |
6 | 5411115512 |
7 | 1265156600 |
oct | 333103044 |
9 | 130073158 |
10 | 57443876 |
11 | 2a475486 |
12 | 172a2b98 |
13 | bb93679 |
14 | 78b4500 |
15 | 509a61b |
hex | 36c8624 |
57443876 has 18 divisors (see below), whose sum is σ = 116939718. Its totient is φ = 24618720.
The previous prime is 57443863. The next prime is 57443879. The reversal of 57443876 is 67834475.
It can be written as a sum of positive squares in only one way, i.e., 57365476 + 78400 = 7574^2 + 280^2 .
It is not an unprimeable number, because it can be changed into a prime (57443879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146345 + ... + 146736.
It is an arithmetic number, because the mean of its divisors is an integer number (6496651).
Almost surely, 257443876 is an apocalyptic number.
It is an amenable number.
57443876 is an abundant number, since it is smaller than the sum of its proper divisors (59495842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57443876 is a wasteful number, since it uses less digits than its factorization.
57443876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293099 (or 293090 counting only the distinct ones).
The product of its digits is 564480, while the sum is 44.
The square root of 57443876 is about 7579.1738336048. The cubic root of 57443876 is about 385.8465120379.
The spelling of 57443876 in words is "fifty-seven million, four hundred forty-three thousand, eight hundred seventy-six".
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