Search a number
-
+
4869947 = 19256313
BaseRepresentation
bin10010100100111100111011
3100011102022102
4102210330323
52221314242
6252214015
756252045
oct22447473
910142272
104869947
112826955
12176a30b
131016834
1490aa95
15662e32
hex4a4f3b

4869947 has 4 divisors (see below), whose sum is σ = 5126280. Its totient is φ = 4613616.

The previous prime is 4869929. The next prime is 4869959. The reversal of 4869947 is 7499684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4869947 - 218 = 4607803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4869047) 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 3 ways as a sum of consecutive naturals, for example, 128138 + ... + 128175.

It is an arithmetic number, because the mean of its divisors is an integer number (1281570).

Almost surely, 24869947 is an apocalyptic number.

4869947 is a deficient number, since it is larger than the sum of its proper divisors (256333).

4869947 is a wasteful number, since it uses less digits than its factorization.

4869947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256332.

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

The square root of 4869947 is about 2206.7956407425. The cubic root of 4869947 is about 169.5019679958.

The spelling of 4869947 in words is "four million, eight hundred sixty-nine thousand, nine hundred forty-seven".

Divisors: 1 19 256313 4869947