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2130571 = 3789647
BaseRepresentation
bin1000001000001010001011
311000020121001
420020022023
51021134241
6113355431
724052402
oct10101213
94006531
102130571
111225803
12868b77
135979c1
143d6639
152c1431
hex20828b

2130571 has 8 divisors (see below), whose sum is σ = 2216160. Its totient is φ = 2046528.

The previous prime is 2130539. The next prime is 2130577. The reversal of 2130571 is 1750312.

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 2130571 - 25 = 2130539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970 + ... + 3616.

It is an arithmetic number, because the mean of its divisors is an integer number (277020).

22130571 is an apocalyptic number.

2130571 is a deficient number, since it is larger than the sum of its proper divisors (85589).

2130571 is an equidigital number, since it uses as much as digits as its factorization.

2130571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 2130571 is about 1459.6475602007. The cubic root of 2130571 is about 128.6763313754.

Adding to 2130571 its reverse (1750312), we get a palindrome (3880883).

It can be divided in two parts, 2130 and 571, that added together give a triangular number (2701 = T73).

The spelling of 2130571 in words is "two million, one hundred thirty thousand, five hundred seventy-one".

Divisors: 1 37 89 647 3293 23939 57583 2130571