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2897445055 = 5579489011
BaseRepresentation
bin1010110010110011…
…1000000010111111
321110221001110101211
42230230320002333
521413221220210
61155302145251
7131541606451
oct25454700277
97427043354
102897445055
11125759439a
1268a422227
13372387b3b
141d6b4c2d1
1511e58738a
hexacb380bf

2897445055 has 4 divisors (see below), whose sum is σ = 3476934072. Its totient is φ = 2317956040.

The previous prime is 2897445053. The next prime is 2897445119. The reversal of 2897445055 is 5505447982.

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

It is not a de Polignac number, because 2897445055 - 21 = 2897445053 is a prime.

It is a Smith number, since the sum of its digits (49) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897445053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 289744501 + ... + 289744510.

It is an arithmetic number, because the mean of its divisors is an integer number (869233518).

Almost surely, 22897445055 is an apocalyptic number.

2897445055 is a deficient number, since it is larger than the sum of its proper divisors (579489017).

2897445055 is an equidigital number, since it uses as much as digits as its factorization.

2897445055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579489016.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The square root of 2897445055 is about 53827.9207753746. The cubic root of 2897445055 is about 1425.6242353821.

The spelling of 2897445055 in words is "two billion, eight hundred ninety-seven million, four hundred forty-five thousand, fifty-five".

Divisors: 1 5 579489011 2897445055