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2492005 = 5498401
BaseRepresentation
bin1001100000011001100101
311200121101111
421200121211
51114221010
6125225021
730116215
oct11403145
94617344
102492005
11145230a
12a02171
13693379
1448c245
1534358a
hex260665

2492005 has 4 divisors (see below), whose sum is σ = 2990412. Its totient is φ = 1993600.

The previous prime is 2492003. The next prime is 2492011. The reversal of 2492005 is 5002942.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 889249 = 1266^2 + 943^2 .

It is not a de Polignac number, because 2492005 - 21 = 2492003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249196 + ... + 249205.

It is an arithmetic number, because the mean of its divisors is an integer number (747603).

22492005 is an apocalyptic number.

It is an amenable number.

2492005 is a deficient number, since it is larger than the sum of its proper divisors (498407).

2492005 is an equidigital number, since it uses as much as digits as its factorization.

2492005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498406.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2492005 is about 1578.6085645276. The cubic root of 2492005 is about 135.5760478689.

Adding to 2492005 its reverse (5002942), we get a palindrome (7494947).

It can be divided in two parts, 24 and 92005, that added together give a palindrome (92029).

The spelling of 2492005 in words is "two million, four hundred ninety-two thousand, five".

Divisors: 1 5 498401 2492005