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2982881 = 11373727
BaseRepresentation
bin1011011000001111100001
312121112202002
423120033201
51230423011
6143533345
734232306
oct13301741
95545662
102982881
1117580a0
12bba255
13805925
145790ad
153ddc3b
hex2d83e1

2982881 has 8 divisors (see below), whose sum is σ = 3267264. Its totient is φ = 2700720.

The previous prime is 2982869. The next prime is 2982883. The reversal of 2982881 is 1882892.

2982881 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 2982881 - 26 = 2982817 is a prime.

It is a super-2 number, since 2×29828812 = 17795158120322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2982883) 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, 3740 + ... + 4466.

It is an arithmetic number, because the mean of its divisors is an integer number (408408).

22982881 is an apocalyptic number.

It is an amenable number.

2982881 is a deficient number, since it is larger than the sum of its proper divisors (284383).

2982881 is a wasteful number, since it uses less digits than its factorization.

2982881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its digits is 18432, while the sum is 38.

The square root of 2982881 is about 1727.1019078213. The cubic root of 2982881 is about 143.9501016672.

The spelling of 2982881 in words is "two million, nine hundred eighty-two thousand, eight hundred eighty-one".

Divisors: 1 11 373 727 4103 7997 271171 2982881