Base | Representation |
---|---|
bin | 111110100100000100001 |
3 | 10212011011221 |
4 | 13310200201 |
5 | 1011100311 |
6 | 111535041 |
7 | 23265625 |
oct | 7644041 |
9 | 3764157 |
10 | 2050081 |
11 | 1180290 |
12 | 82a481 |
13 | 56a187 |
14 | 3b5185 |
15 | 2a7671 |
hex | 1f4821 |
2050081 has 16 divisors (see below), whose sum is σ = 2496960. Its totient is φ = 1658880.
The previous prime is 2050079. The next prime is 2050099. The reversal of 2050081 is 1800502.
It is a happy number.
It is a 4-Lehmer number, since φ(2050081) divides (2050081-1)4.
It is a cyclic number.
It is not a de Polignac number, because 2050081 - 21 = 2050079 is a prime.
It is a super-2 number, since 2×20500812 = 8405664213122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2050021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3265 + ... + 3841.
It is an arithmetic number, because the mean of its divisors is an integer number (156060).
22050081 is an apocalyptic number.
It is an amenable number.
2050081 is a deficient number, since it is larger than the sum of its proper divisors (446879).
2050081 is a wasteful number, since it uses less digits than its factorization.
2050081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 624.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 2050081 is about 1431.8103924752. The cubic root of 2050081 is about 127.0350823782.
Adding to 2050081 its reverse (1800502), we get a palindrome (3850583).
The spelling of 2050081 in words is "two million, fifty thousand, eighty-one".
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