Base | Representation |
---|---|
bin | 111101111110100010111 |
3 | 10211011211110 |
4 | 13233310113 |
5 | 1004441441 |
6 | 111310103 |
7 | 23155623 |
oct | 7576427 |
9 | 3734743 |
10 | 2030871 |
11 | 1167907 |
12 | 81b333 |
13 | 5614cb |
14 | 3ac183 |
15 | 2a1b16 |
hex | 1efd17 |
2030871 has 8 divisors (see below), whose sum is σ = 2867184. Its totient is φ = 1274240.
The previous prime is 2030789. The next prime is 2030879. The reversal of 2030871 is 1780302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2030871 - 214 = 2014487 is a prime.
It is an Ulam number.
2030871 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030879) 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, 19860 + ... + 19961.
It is an arithmetic number, because the mean of its divisors is an integer number (358398).
22030871 is an apocalyptic number.
2030871 is a deficient number, since it is larger than the sum of its proper divisors (836313).
2030871 is a wasteful number, since it uses less digits than its factorization.
2030871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39841.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 2030871 is about 1425.0863131755. The cubic root of 2030871 is about 126.6370483227.
The spelling of 2030871 in words is "two million, thirty thousand, eight hundred seventy-one".
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