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2805214842 = 2355772047
BaseRepresentation
bin1010011100110100…
…0010111001111010
321020111111200100000
42213031002321322
521221113333332
61142205253430
7126341634633
oct24715027172
97214450300
102805214842
11120a51a481
12663564276
13359234a51
141c87c088a
15116419b7c
hexa7342e7a

2805214842 has 24 divisors (see below), whose sum is σ = 6303076416. Its totient is φ = 935071452.

The previous prime is 2805214823. The next prime is 2805214861. The reversal of 2805214842 is 2484125082.

It is an interprime number because it is at equal distance from previous prime (2805214823) and next prime (2805214861).

It is a junction number, because it is equal to n+sod(n) for n = 2805214797 and 2805214806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2885538 + ... + 2886509.

It is an arithmetic number, because the mean of its divisors is an integer number (262628184).

Almost surely, 22805214842 is an apocalyptic number.

2805214842 is an abundant number, since it is smaller than the sum of its proper divisors (3497861574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2805214842 is an equidigital number, since it uses as much as digits as its factorization.

2805214842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772064 (or 5772052 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 2805214842 is about 52964.2789245733. The cubic root of 2805214842 is about 1410.3342168348.

The spelling of 2805214842 in words is "two billion, eight hundred five million, two hundred fourteen thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 5772047 11544094 17316141 34632282 51948423 103896846 155845269 311690538 467535807 935071614 1402607421 2805214842