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2989227 = 3996409
BaseRepresentation
bin1011011001110010101011
312121212110010
423121302223
51231123402
6144023003
734256643
oct13316253
95555403
102989227
11176193a
121001a63
13808797
1457b523
153e0a6c
hex2d9cab

2989227 has 4 divisors (see below), whose sum is σ = 3985640. Its totient is φ = 1992816.

The previous prime is 2989223. The next prime is 2989271. The reversal of 2989227 is 7229892.

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

It is not a de Polignac number, because 2989227 - 22 = 2989223 is a prime.

It is a D-number.

It is a Duffinian number.

2989227 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2989223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498202 + ... + 498207.

It is an arithmetic number, because the mean of its divisors is an integer number (996410).

22989227 is an apocalyptic number.

2989227 is a deficient number, since it is larger than the sum of its proper divisors (996413).

2989227 is an equidigital number, since it uses as much as digits as its factorization.

2989227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996412.

The product of its digits is 36288, while the sum is 39.

The square root of 2989227 is about 1728.9381134095. The cubic root of 2989227 is about 144.0521126971.

The spelling of 2989227 in words is "two million, nine hundred eighty-nine thousand, two hundred twenty-seven".

Divisors: 1 3 996409 2989227