Search a number
-
+
6873481 = 23298847
BaseRepresentation
bin11010001110000110001001
3110221012122101
4122032012021
53224422411
6403153401
7112265206
oct32160611
913835571
106873481
11397516a
122375861
131568764
14caccad
1590b8c1
hex68e189

6873481 has 4 divisors (see below), whose sum is σ = 7172352. Its totient is φ = 6574612.

The previous prime is 6873473. The next prime is 6873521. The reversal of 6873481 is 1843786.

It is a happy number.

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 6873481 - 23 = 6873473 is a prime.

It is a super-2 number, since 2×68734812 = 94489482114722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6873481.

It is not an unprimeable number, because it can be changed into a prime (6873781) 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, 149401 + ... + 149446.

It is an arithmetic number, because the mean of its divisors is an integer number (1793088).

Almost surely, 26873481 is an apocalyptic number.

It is an amenable number.

6873481 is a deficient number, since it is larger than the sum of its proper divisors (298871).

6873481 is a wasteful number, since it uses less digits than its factorization.

6873481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298870.

The product of its digits is 32256, while the sum is 37.

The square root of 6873481 is about 2621.7324424891. The cubic root of 6873481 is about 190.1336179222.

The spelling of 6873481 in words is "six million, eight hundred seventy-three thousand, four hundred eighty-one".

Divisors: 1 23 298847 6873481