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2984739 = 3994913
BaseRepresentation
bin1011011000101100100011
312121122021220
423120230203
51231002424
6143550123
734240602
oct13305443
95548256
102984739
11175952a
12bbb343
13806724
14579a39
153de579
hex2d8b23

2984739 has 4 divisors (see below), whose sum is σ = 3979656. Its totient is φ = 1989824.

The previous prime is 2984731. The next prime is 2984743. The reversal of 2984739 is 9374892.

2984739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2984739 - 23 = 2984731 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2984739.

It is not an unprimeable number, because it can be changed into a prime (2984731) 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 3 ways as a sum of consecutive naturals, for example, 497454 + ... + 497459.

It is an arithmetic number, because the mean of its divisors is an integer number (994914).

22984739 is an apocalyptic number.

2984739 is a deficient number, since it is larger than the sum of its proper divisors (994917).

2984739 is an equidigital number, since it uses as much as digits as its factorization.

2984739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994916.

The product of its digits is 108864, while the sum is 42.

The square root of 2984739 is about 1727.6397193860. The cubic root of 2984739 is about 143.9799837147.

The spelling of 2984739 in words is "two million, nine hundred eighty-four thousand, seven hundred thirty-nine".

Divisors: 1 3 994913 2984739