Search a number
-
+
6898449 = 32299483
BaseRepresentation
bin11010010100001100010001
3110222110220010
4122110030101
53231222244
6403505133
7112431045
oct32241421
913873803
106898449
1139919a8
1223881a9
131576c2c
14cb8025
15913eb9
hex694311

6898449 has 4 divisors (see below), whose sum is σ = 9197936. Its totient is φ = 4598964.

The previous prime is 6898417. The next prime is 6898483. The reversal of 6898449 is 9448986.

6898449 is digitally balanced in base 3, 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 not a de Polignac number, because 6898449 - 25 = 6898417 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6898398 and 6898407.

It is not an unprimeable number, because it can be changed into a prime (6898249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149739 + ... + 1149744.

It is an arithmetic number, because the mean of its divisors is an integer number (2299484).

Almost surely, 26898449 is an apocalyptic number.

It is an amenable number.

6898449 is a deficient number, since it is larger than the sum of its proper divisors (2299487).

6898449 is a wasteful number, since it uses less digits than its factorization.

6898449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299486.

The product of its digits is 497664, while the sum is 48.

The square root of 6898449 is about 2626.4898629159. The cubic root of 6898449 is about 190.3635605859.

The spelling of 6898449 in words is "six million, eight hundred ninety-eight thousand, four hundred forty-nine".

Divisors: 1 3 2299483 6898449