Base | Representation |
---|---|
bin | 1101110000100… |
… | …1010111000100 |
3 | 11000120222021011 |
4 | 3130021113010 |
5 | 104233210040 |
6 | 5420532004 |
7 | 1300345534 |
oct | 334112704 |
9 | 130528234 |
10 | 57710020 |
11 | 2a637435 |
12 | 173b1004 |
13 | bc57854 |
14 | 79434c4 |
15 | 50ee3ea |
hex | 37095c4 |
57710020 has 24 divisors (see below), whose sum is σ = 122068800. Its totient is φ = 22916832.
The previous prime is 57709991. The next prime is 57710027. The reversal of 57710020 is 2001775.
It is a junction number, because it is equal to n+sod(n) for n = 57709973 and 57710000.
It is not an unprimeable number, because it can be changed into a prime (57710027) 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, 7600 + ... + 13159.
It is an arithmetic number, because the mean of its divisors is an integer number (5086200).
Almost surely, 257710020 is an apocalyptic number.
It is an amenable number.
57710020 is an abundant number, since it is smaller than the sum of its proper divisors (64358780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57710020 is a wasteful number, since it uses less digits than its factorization.
57710020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20907 (or 20905 counting only the distinct ones).
The product of its (nonzero) digits is 490, while the sum is 22.
The square root of 57710020 is about 7596.7111304827. The cubic root of 57710020 is about 386.4414843575.
Adding to 57710020 its reverse (2001775), we get a palindrome (59711795).
The spelling of 57710020 in words is "fifty-seven million, seven hundred ten thousand, twenty".
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