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2849 = 71137
BaseRepresentation
bin101100100001
310220112
4230201
542344
621105
711210
oct5441
93815
102849
112160
121795
1313b2
141077
15c9e
hexb21

2849 has 8 divisors (see below), whose sum is σ = 3648. Its totient is φ = 2160.

The previous prime is 2843. The next prime is 2851. The reversal of 2849 is 9482.

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

It is a cyclic number.

It is not a de Polignac number, because 2849 - 24 = 2833 is a prime.

It is a d-powerful number, because it can be written as 211 + 43 + 8 + 93 .

It is a Duffinian number.

It is a nialpdrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59 + ... + 95.

It is an arithmetic number, because the mean of its divisors is an integer number (456).

22849 is an apocalyptic number.

It is an amenable number.

2849 is a deficient number, since it is larger than the sum of its proper divisors (799).

2849 is a wasteful number, since it uses less digits than its factorization.

2849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55.

The product of its digits is 576, while the sum is 23.

The square root of 2849 is about 53.3760245803. The cubic root of 2849 is about 14.1763409506.

It can be divided in two parts, 284 and 9, that multiplied together give a triangular number (2556 = T71).

The spelling of 2849 in words is "two thousand, eight hundred forty-nine".

Divisors: 1 7 11 37 77 259 407 2849