Search a number
-
+
2894649 = 3964883
BaseRepresentation
bin1011000010101100111001
312110001201020
423002230321
51220112044
6142013053
733414132
oct13025471
95401636
102894649
1116a787a
12b77189
137a4714
14554c89
153c2a19
hex2c2b39

2894649 has 4 divisors (see below), whose sum is σ = 3859536. Its totient is φ = 1929764.

The previous prime is 2894629. The next prime is 2894653. The reversal of 2894649 is 9464982.

2894649 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2894649 - 217 = 2763577 is a prime.

It is a D-number.

2894649 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2894649.

It is not an unprimeable number, because it can be changed into a prime (2894629) 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, 482439 + ... + 482444.

It is an arithmetic number, because the mean of its divisors is an integer number (964884).

22894649 is an apocalyptic number.

It is an amenable number.

2894649 is a deficient number, since it is larger than the sum of its proper divisors (964887).

2894649 is an equidigital number, since it uses as much as digits as its factorization.

2894649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964886.

The product of its digits is 124416, while the sum is 42.

The square root of 2894649 is about 1701.3668034848. The cubic root of 2894649 is about 142.5165508631.

The spelling of 2894649 in words is "two million, eight hundred ninety-four thousand, six hundred forty-nine".

Divisors: 1 3 964883 2894649