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2842205 = 5568441
BaseRepresentation
bin1010110101111001011101
312100101202212
422311321131
51211422310
6140530205
733105212
oct12657135
95311685
102842205
111671433
12b50965
137868a2
1453db09
153b2205
hex2b5e5d

2842205 has 4 divisors (see below), whose sum is σ = 3410652. Its totient is φ = 2273760.

The previous prime is 2842199. The next prime is 2842211. The reversal of 2842205 is 5022482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5022482 = 22511241.

It is an interprime number because it is at equal distance from previous prime (2842199) and next prime (2842211).

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 2184484 = 811^2 + 1478^2 .

It is not a de Polignac number, because 2842205 - 212 = 2838109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284216 + ... + 284225.

It is an arithmetic number, because the mean of its divisors is an integer number (852663).

22842205 is an apocalyptic number.

It is an amenable number.

2842205 is a deficient number, since it is larger than the sum of its proper divisors (568447).

2842205 is an equidigital number, since it uses as much as digits as its factorization.

2842205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568446.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2842205 is about 1685.8840410894. The cubic root of 2842205 is about 141.6506156363.

Adding to 2842205 its reverse (5022482), we get a palindrome (7864687).

The spelling of 2842205 in words is "two million, eight hundred forty-two thousand, two hundred five".

Divisors: 1 5 568441 2842205