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5221311 = 31740437
BaseRepresentation
bin10011111010101110111111
3100211021021220
4103322232333
52314040221
6303524423
762244324
oct23725677
910737256
105221311
112a46937
1218b9713
13110a744
1499cb4b
156d20c6
hex4fabbf

5221311 has 4 divisors (see below), whose sum is σ = 6961752. Its totient is φ = 3480872.

The previous prime is 5221303. The next prime is 5221319. The reversal of 5221311 is 1131225.

5221311 is digitally balanced in base 3, 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 an interprime number because it is at equal distance from previous prime (5221303) and next prime (5221319).

It is a cyclic number.

It is not a de Polignac number, because 5221311 - 23 = 5221303 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221319) 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 3 ways as a sum of consecutive naturals, for example, 870216 + ... + 870221.

It is an arithmetic number, because the mean of its divisors is an integer number (1740438).

Almost surely, 25221311 is an apocalyptic number.

5221311 is a deficient number, since it is larger than the sum of its proper divisors (1740441).

5221311 is a wasteful number, since it uses less digits than its factorization.

5221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740440.

The product of its digits is 60, while the sum is 15.

The square root of 5221311 is about 2285.0188183033. The cubic root of 5221311 is about 173.4841705585.

Subtracting from 5221311 its sum of digits (15), we obtain a triangular number (5221296 = T3231).

Adding to 5221311 its reverse (1131225), we get a palindrome (6352536).

The spelling of 5221311 in words is "five million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 1740437 5221311