Search a number
-
+
2082505 = 5416501
BaseRepresentation
bin111111100011011001001
310220210122211
413330123021
51013120010
6112345121
723462305
oct7743311
93823584
102082505
1111a2687
128451a1
1357bb69
143c2d05
152b208a
hex1fc6c9

2082505 has 4 divisors (see below), whose sum is σ = 2499012. Its totient is φ = 1666000.

The previous prime is 2082503. The next prime is 2082527. The reversal of 2082505 is 5052802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5052802 = 22526401.

It can be written as a sum of positive squares in 2 ways, for example, as 727609 + 1354896 = 853^2 + 1164^2 .

It is not a de Polignac number, because 2082505 - 21 = 2082503 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2082503) 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, 208246 + ... + 208255.

It is an arithmetic number, because the mean of its divisors is an integer number (624753).

22082505 is an apocalyptic number.

It is an amenable number.

2082505 is a deficient number, since it is larger than the sum of its proper divisors (416507).

2082505 is an equidigital number, since it uses as much as digits as its factorization.

2082505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416506.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2082505 is about 1443.0887013625. The cubic root of 2082505 is about 127.7013095645.

The spelling of 2082505 in words is "two million, eighty-two thousand, five hundred five".

Divisors: 1 5 416501 2082505