Search a number
-
+
2078833 = 4334801
BaseRepresentation
bin111111011100001110001
310220121121211
413323201301
51013010313
6112320121
723445511
oct7734161
93817554
102078833
11119a949
12843041
1357a2a3
143c1841
152b0e3d
hex1fb871

2078833 has 4 divisors (see below), whose sum is σ = 2084068. Its totient is φ = 2073600.

The previous prime is 2078831. The next prime is 2078851. The reversal of 2078833 is 3388702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3388702 = 21694351.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 1411344 = 817^2 + 1188^2 .

It is a cyclic number.

It is not a de Polignac number, because 2078833 - 21 = 2078831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2078795 and 2078804.

It is not an unprimeable number, because it can be changed into a prime (2078831) 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, 1968 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (521017).

22078833 is an apocalyptic number.

It is an amenable number.

2078833 is a deficient number, since it is larger than the sum of its proper divisors (5235).

2078833 is an equidigital number, since it uses as much as digits as its factorization.

2078833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2078833 is about 1441.8158689652. The cubic root of 2078833 is about 127.6262084902.

The spelling of 2078833 in words is "two million, seventy-eight thousand, eight hundred thirty-three".

Divisors: 1 433 4801 2078833