Base | Representation |
---|---|
bin | 111110110010111111101 |
3 | 10212112200001 |
4 | 13312113331 |
5 | 1011321400 |
6 | 112034301 |
7 | 23330125 |
oct | 7662775 |
9 | 3775601 |
10 | 2057725 |
11 | 1185aaa |
12 | 832991 |
13 | 5707b7 |
14 | 3b7c85 |
15 | 2a9a6a |
hex | 1f65fd |
2057725 has 12 divisors (see below), whose sum is σ = 2601396. Its totient is φ = 1614080.
The previous prime is 2057723. The next prime is 2057729. The reversal of 2057725 is 5277502.
It can be written as a sum of positive squares in 6 ways, for example, as 133956 + 1923769 = 366^2 + 1387^2 .
It is not a de Polignac number, because 2057725 - 21 = 2057723 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2057693 and 2057702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2057723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 2101.
It is an arithmetic number, because the mean of its divisors is an integer number (216783).
22057725 is an apocalyptic number.
2057725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2057725 is a deficient number, since it is larger than the sum of its proper divisors (543671).
2057725 is a wasteful number, since it uses less digits than its factorization.
2057725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1616 (or 1611 counting only the distinct ones).
The product of its (nonzero) digits is 4900, while the sum is 28.
The square root of 2057725 is about 1434.4772567036. The cubic root of 2057725 is about 127.1927756204.
It can be divided in two parts, 20577 and 25, that added together give a palindrome (20602).
The spelling of 2057725 in words is "two million, fifty-seven thousand, seven hundred twenty-five".
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