Base | Representation |
---|---|
bin | 111111010010100001111 |
3 | 10220100211001 |
4 | 13322110033 |
5 | 1012330441 |
6 | 112241131 |
7 | 23425162 |
oct | 7722417 |
9 | 3810731 |
10 | 2073871 |
11 | 1197148 |
12 | 8401a7 |
13 | 577c57 |
14 | 3bdad9 |
15 | 2ae731 |
hex | 1fa50f |
2073871 has 4 divisors (see below), whose sum is σ = 2077992. Its totient is φ = 2069752.
The previous prime is 2073859. The next prime is 2073893. The reversal of 2073871 is 1783702.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1783702 = 2 ⋅891851.
It is a cyclic number.
It is not a de Polignac number, because 2073871 - 29 = 2073359 is a prime.
It is a Duffinian number.
2073871 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2073811) 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, 1180 + ... + 2353.
It is an arithmetic number, because the mean of its divisors is an integer number (519498).
22073871 is an apocalyptic number.
2073871 is a deficient number, since it is larger than the sum of its proper divisors (4121).
2073871 is an equidigital number, since it uses as much as digits as its factorization.
2073871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4120.
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 2073871 is about 1440.0940941480. The cubic root of 2073871 is about 127.5245832388.
The spelling of 2073871 in words is "two million, seventy-three thousand, eight hundred seventy-one".
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