Search a number
-
+
2086829 is a prime number
BaseRepresentation
bin111111101011110101101
310221000120222
413331132231
51013234304
6112421125
723511023
oct7753655
93830528
102086829
1111a5958
128477a5
13580b14
143c4713
152b34be
hex1fd7ad

2086829 has 2 divisors, whose sum is σ = 2086830. Its totient is φ = 2086828.

The previous prime is 2086823. The next prime is 2086831. The reversal of 2086829 is 9286802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 357604 = 1315^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086829 - 28 = 2086573 is a prime.

Together with 2086831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043414 + 1043415.

It is an arithmetic number, because the mean of its divisors is an integer number (1043415).

22086829 is an apocalyptic number.

It is an amenable number.

2086829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086829 is an equidigital number, since it uses as much as digits as its factorization.

2086829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2086829 is about 1444.5860998916. The cubic root of 2086829 is about 127.7896324785.

The spelling of 2086829 in words is "two million, eighty-six thousand, eight hundred twenty-nine".