Base | Representation |
---|---|
bin | 1101110001100… |
… | …0000010001000 |
3 | 11000201000201002 |
4 | 3130120002020 |
5 | 104242120440 |
6 | 5422114132 |
7 | 1301016002 |
oct | 334300210 |
9 | 130630632 |
10 | 57770120 |
11 | 2a678601 |
12 | 1741b948 |
13 | bc79005 |
14 | 795b372 |
15 | 5112115 |
hex | 3718088 |
57770120 has 32 divisors (see below), whose sum is σ = 131143320. Its totient is φ = 22901760.
The previous prime is 57770101. The next prime is 57770129. The reversal of 57770120 is 2107775.
57770120 is nontrivially palindromic in base 15.
It can be written as a sum of positive squares in 4 ways, for example, as 35736484 + 22033636 = 5978^2 + 4694^2 .
It is not an unprimeable number, because it can be changed into a prime (57770129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871 + ... + 10910.
Almost surely, 257770120 is an apocalyptic number.
It is an amenable number.
57770120 is an abundant number, since it is smaller than the sum of its proper divisors (73373200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57770120 is a wasteful number, since it uses less digits than its factorization.
57770120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12905 (or 12901 counting only the distinct ones).
The product of its (nonzero) digits is 3430, while the sum is 29.
The square root of 57770120 is about 7600.6657603134. The cubic root of 57770120 is about 386.5755862896.
Adding to 57770120 its reverse (2107775), we get a palindrome (59877895).
The spelling of 57770120 in words is "fifty-seven million, seven hundred seventy thousand, one hundred twenty".
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