Search a number
-
+
4811990 = 25481199
BaseRepresentation
bin10010010110110011010110
3100001110210212
4102112303112
52212440430
6251045422
755621061
oct22266326
910043725
104811990
112797357
121740872
13cc6341
148d38d8
15650b95
hex496cd6

4811990 has 8 divisors (see below), whose sum is σ = 8661600. Its totient is φ = 1924792.

The previous prime is 4811953. The next prime is 4811993. The reversal of 4811990 is 991184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4811993) 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, 240590 + ... + 240609.

It is an arithmetic number, because the mean of its divisors is an integer number (1082700).

Almost surely, 24811990 is an apocalyptic number.

4811990 is a deficient number, since it is larger than the sum of its proper divisors (3849610).

4811990 is a wasteful number, since it uses less digits than its factorization.

4811990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481206.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 4811990 is about 2193.6248539803. The cubic root of 4811990 is about 168.8268712416.

The spelling of 4811990 in words is "four million, eight hundred eleven thousand, nine hundred ninety".

Divisors: 1 2 5 10 481199 962398 2405995 4811990