Base | Representation |
---|---|
bin | 1101100111011… |
… | …0101010111110 |
3 | 10222110110001220 |
4 | 3121312222332 |
5 | 104104443212 |
6 | 5400014210 |
7 | 1262264034 |
oct | 331665276 |
9 | 128413056 |
10 | 57109182 |
11 | 2a266a79 |
12 | 17161366 |
13 | baa7220 |
14 | 7828554 |
15 | 503138c |
hex | 3676abe |
57109182 has 16 divisors (see below), whose sum is σ = 123004560. Its totient is φ = 17572032.
The previous prime is 57109177. The next prime is 57109189. The reversal of 57109182 is 28190175.
It is a super-2 number, since 2×571091822 = 6522917337418248, which contains 22 as substring.
It is a nialpdrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57109189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366007 + ... + 366162.
It is an arithmetic number, because the mean of its divisors is an integer number (7687785).
Almost surely, 257109182 is an apocalyptic number.
57109182 is an abundant number, since it is smaller than the sum of its proper divisors (65895378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57109182 is a wasteful number, since it uses less digits than its factorization.
57109182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 732187.
The product of its (nonzero) digits is 5040, while the sum is 33.
The square root of 57109182 is about 7557.0617305934. The cubic root of 57109182 is about 385.0956798235.
It can be divided in two parts, 57109 and 182, that added together give a triangular number (57291 = T338).
The spelling of 57109182 in words is "fifty-seven million, one hundred nine thousand, one hundred eighty-two".
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