Search a number
-
+
4999791 = 31666597
BaseRepresentation
bin10011000100101001101111
3100102000102110
4103010221233
52234443131
6255055103
760332436
oct23045157
910360373
104999791
112905465
121811493
131060974
1494211d
1568b646
hex4c4a6f

4999791 has 4 divisors (see below), whose sum is σ = 6666392. Its totient is φ = 3333192.

The previous prime is 4999783. The next prime is 4999801. The reversal of 4999791 is 1979994.

4999791 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4999791 - 23 = 4999783 is a prime.

It is a D-number.

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 4999791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999781) 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, 833296 + ... + 833301.

It is an arithmetic number, because the mean of its divisors is an integer number (1666598).

Almost surely, 24999791 is an apocalyptic number.

4999791 is a deficient number, since it is larger than the sum of its proper divisors (1666601).

4999791 is a wasteful number, since it uses less digits than its factorization.

4999791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666600.

The product of its digits is 183708, while the sum is 48.

The square root of 4999791 is about 2236.0212431907. The cubic root of 4999791 is about 170.9952120680.

The spelling of 4999791 in words is "four million, nine hundred ninety-nine thousand, seven hundred ninety-one".

Divisors: 1 3 1666597 4999791