Base | Representation |
---|---|
bin | 111111000111100100101 |
3 | 10220002010021 |
4 | 13320330211 |
5 | 1012141021 |
6 | 112155141 |
7 | 23402626 |
oct | 7707445 |
9 | 3802107 |
10 | 2068261 |
11 | 1192a08 |
12 | 838ab1 |
13 | 575530 |
14 | 3bba4d |
15 | 2acc41 |
hex | 1f8f25 |
2068261 has 4 divisors (see below), whose sum is σ = 2227372. Its totient is φ = 1909152.
The previous prime is 2068249. The next prime is 2068267. The reversal of 2068261 is 1628602.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 1932100 = 369^2 + 1390^2 .
It is a cyclic number.
It is not a de Polignac number, because 2068261 - 27 = 2068133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2068267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79536 + ... + 79561.
It is an arithmetic number, because the mean of its divisors is an integer number (556843).
22068261 is an apocalyptic number.
It is an amenable number.
2068261 is a deficient number, since it is larger than the sum of its proper divisors (159111).
2068261 is a wasteful number, since it uses less digits than its factorization.
2068261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159110.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 2068261 is about 1438.1449857368. The cubic root of 2068261 is about 127.4094910645.
The spelling of 2068261 in words is "two million, sixty-eight thousand, two hundred sixty-one".
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