Search a number
-
+
4987886 = 22493943
BaseRepresentation
bin10011000001101111101110
3100101102002112
4103001233232
52234103021
6254524022
760252641
oct23015756
910342075
104987886
1128a7522
121806612
131058417
1493ba58
15687d5b
hex4c1bee

4987886 has 4 divisors (see below), whose sum is σ = 7481832. Its totient is φ = 2493942.

The previous prime is 4987877. The next prime is 4987889. The reversal of 4987886 is 6887894.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987889) 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 as a sum of consecutive naturals, namely, 1246970 + ... + 1246973.

It is an arithmetic number, because the mean of its divisors is an integer number (1870458).

Almost surely, 24987886 is an apocalyptic number.

4987886 is a deficient number, since it is larger than the sum of its proper divisors (2493946).

4987886 is a wasteful number, since it uses less digits than its factorization.

4987886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493945.

The product of its digits is 774144, while the sum is 50.

The square root of 4987886 is about 2233.3575620576. The cubic root of 4987886 is about 170.8593853322.

The spelling of 4987886 in words is "four million, nine hundred eighty-seven thousand, eight hundred eighty-six".

Divisors: 1 2 2493943 4987886