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2812195 = 5562439
BaseRepresentation
bin1010101110100100100011
312021212121101
422232210203
51204442240
6140135231
732621551
oct12564443
95255541
102812195
111650931
12b37517
13776029
14532bd1
153a839a
hex2ae923

2812195 has 4 divisors (see below), whose sum is σ = 3374640. Its totient is φ = 2249752.

The previous prime is 2812193. The next prime is 2812207. The reversal of 2812195 is 5912182.

2812195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2812195 - 21 = 2812193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2812193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281215 + ... + 281224.

It is an arithmetic number, because the mean of its divisors is an integer number (843660).

22812195 is an apocalyptic number.

2812195 is a deficient number, since it is larger than the sum of its proper divisors (562445).

2812195 is an equidigital number, since it uses as much as digits as its factorization.

2812195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562444.

The product of its digits is 1440, while the sum is 28.

The square root of 2812195 is about 1676.9600472283. The cubic root of 2812195 is about 141.1503016412.

The spelling of 2812195 in words is "two million, eight hundred twelve thousand, one hundred ninety-five".

Divisors: 1 5 562439 2812195