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2984189 = 13229553
BaseRepresentation
bin1011011000100011111101
312121121112112
423120203331
51230443224
6143543405
734236155
oct13304375
95547475
102984189
11175907a
12bbab65
138063c0
14579765
153de30e
hex2d88fd

2984189 has 4 divisors (see below), whose sum is σ = 3213756. Its totient is φ = 2754624.

The previous prime is 2984183. The next prime is 2984203. The reversal of 2984189 is 9814892.

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

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 2748964 = 485^2 + 1658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2984189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2984183) 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, 114764 + ... + 114789.

It is an arithmetic number, because the mean of its divisors is an integer number (803439).

22984189 is an apocalyptic number.

It is an amenable number.

2984189 is a deficient number, since it is larger than the sum of its proper divisors (229567).

2984189 is a wasteful number, since it uses less digits than its factorization.

2984189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229566.

The product of its digits is 41472, while the sum is 41.

The square root of 2984189 is about 1727.4805353462. The cubic root of 2984189 is about 143.9711394065.

The spelling of 2984189 in words is "two million, nine hundred eighty-four thousand, one hundred eighty-nine".

Divisors: 1 13 229553 2984189