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5198911 = 7965809
BaseRepresentation
bin10011110101010000111111
3100210010120021
4103311100333
52312331121
6303233011
762122114
oct23652077
910703507
105198911
112a31023
1218a8767
1311004a3
1499490b
156ca641
hex4f543f

5198911 has 4 divisors (see below), whose sum is σ = 5264800. Its totient is φ = 5133024.

The previous prime is 5198887. The next prime is 5198927. The reversal of 5198911 is 1198915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1198915 = 5239783.

It is a cyclic number.

It is not a de Polignac number, because 5198911 - 213 = 5190719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199911) 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, 32826 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (1316200).

Almost surely, 25198911 is an apocalyptic number.

5198911 is a deficient number, since it is larger than the sum of its proper divisors (65889).

5198911 is an equidigital number, since it uses as much as digits as its factorization.

5198911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65888.

The product of its digits is 3240, while the sum is 34.

The square root of 5198911 is about 2280.1120586497. The cubic root of 5198911 is about 173.2357261932.

It can be divided in two parts, 5 and 198911, that added together give a square (198916 = 4462).

The spelling of 5198911 in words is "five million, one hundred ninety-eight thousand, nine hundred eleven".

Divisors: 1 79 65809 5198911