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5111271 = 3211173037
BaseRepresentation
bin10011011111110111100111
3100121200100100
4103133313213
52302030041
6301315143
761305444
oct23376747
910550310
105111271
1129811a0
121865ab3
13109c629
149709cb
156ae6b6
hex4dfde7

5111271 has 24 divisors (see below), whose sum is σ = 8530704. Its totient is φ = 2914560.

The previous prime is 5111261. The next prime is 5111287. The reversal of 5111271 is 1721115.

It is a happy number.

It is not a de Polignac number, because 5111271 - 29 = 5110759 is a prime.

It is a super-2 number, since 2×51112712 = 52250182470882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (355446).

Almost surely, 25111271 is an apocalyptic number.

5111271 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5111271 is a deficient number, since it is larger than the sum of its proper divisors (3419433).

5111271 is a wasteful number, since it uses less digits than its factorization.

5111271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071 (or 3068 counting only the distinct ones).

The product of its digits is 70, while the sum is 18.

The square root of 5111271 is about 2260.8120222610. The cubic root of 5111271 is about 172.2567712551.

Adding to 5111271 its reverse (1721115), we get a palindrome (6832386).

The spelling of 5111271 in words is "five million, one hundred eleven thousand, two hundred seventy-one".

Divisors: 1 3 9 11 17 33 51 99 153 187 561 1683 3037 9111 27333 33407 51629 100221 154887 300663 464661 567919 1703757 5111271