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2938389 = 32833461
BaseRepresentation
bin1011001101011000010101
312112021201020
423031120111
51223012024
6142551353
733655506
oct13153025
95467636
102938389
111727723
12b98559
137bb5bc
14566bad
153d0979
hex2cd615

2938389 has 8 divisors (see below), whose sum is σ = 3932832. Its totient is φ = 1951440.

The previous prime is 2938381. The next prime is 2938391. The reversal of 2938389 is 9838392.

2938389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2938389 - 23 = 2938381 is a prime.

2938389 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2938389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938381) 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 7 ways as a sum of consecutive naturals, for example, 882 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (491604).

22938389 is an apocalyptic number.

It is an amenable number.

2938389 is a deficient number, since it is larger than the sum of its proper divisors (994443).

2938389 is a wasteful number, since it uses less digits than its factorization.

2938389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its digits is 93312, while the sum is 42.

The square root of 2938389 is about 1714.1729784360. The cubic root of 2938389 is about 143.2308040273.

The spelling of 2938389 in words is "two million, nine hundred thirty-eight thousand, three hundred eighty-nine".

Divisors: 1 3 283 849 3461 10383 979463 2938389