Search a number
-
+
6997844 = 227249923
BaseRepresentation
bin11010101100011101010100
3111011112020102
4122230131110
53242412334
6405553232
7113323610
oct32543524
914145212
106997844
113a4a647
122415818
1315b0249
14d02340
1593367e
hex6ac754

6997844 has 12 divisors (see below), whose sum is σ = 13995744. Its totient is φ = 2999064.

The previous prime is 6997843. The next prime is 6997849. The reversal of 6997844 is 4487996.

6997844 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997841) 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, 124934 + ... + 124989.

It is an arithmetic number, because the mean of its divisors is an integer number (1166312).

Almost surely, 26997844 is an apocalyptic number.

It is an amenable number.

6997844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6997844 is a wasteful number, since it uses less digits than its factorization.

6997844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249934 (or 249932 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 6997844 is about 2645.3438339845. The cubic root of 6997844 is about 191.2734768338.

The spelling of 6997844 in words is "six million, nine hundred ninety-seven thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 28 249923 499846 999692 1749461 3498922 6997844