Search a number
-
+
2849421 = 31755871
BaseRepresentation
bin1010110111101010001101
312100202200010
422313222031
51212140141
6141023433
733135231
oct12675215
95322603
102849421
1116768a3
12b54b79
13789c63
145425c1
153b4416
hex2b7a8d

2849421 has 8 divisors (see below), whose sum is σ = 4022784. Its totient is φ = 1787840.

The previous prime is 2849419. The next prime is 2849423. The reversal of 2849421 is 1249482.

It is an interprime number because it is at equal distance from previous prime (2849419) and next prime (2849423).

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 2849421 - 21 = 2849419 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 (2849423) 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 7 ways as a sum of consecutive naturals, for example, 27885 + ... + 27986.

It is an arithmetic number, because the mean of its divisors is an integer number (502848).

22849421 is an apocalyptic number.

It is an amenable number.

2849421 is a deficient number, since it is larger than the sum of its proper divisors (1173363).

2849421 is a wasteful number, since it uses less digits than its factorization.

2849421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55891.

The product of its digits is 4608, while the sum is 30.

The square root of 2849421 is about 1688.0228079028. The cubic root of 2849421 is about 141.7703920098.

The spelling of 2849421 in words is "two million, eight hundred forty-nine thousand, four hundred twenty-one".

Divisors: 1 3 17 51 55871 167613 949807 2849421