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5221791 = 3243103131
BaseRepresentation
bin10011111010110110011111
3100211021221200
4103322312133
52314044131
6303530543
762245611
oct23726637
910737850
105221791
112a47233
1218b9a53
13110aa23
1499cdb1
156d22e6
hex4fad9f

5221791 has 24 divisors (see below), whose sum is σ = 7852416. Its totient is φ = 3341520.

The previous prime is 5221787. The next prime is 5221793. The reversal of 5221791 is 1971225.

5221791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5221791 - 22 = 5221787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39796 + ... + 39926.

It is an arithmetic number, because the mean of its divisors is an integer number (327184).

Almost surely, 25221791 is an apocalyptic number.

5221791 is a deficient number, since it is larger than the sum of its proper divisors (2630625).

5221791 is a wasteful number, since it uses less digits than its factorization.

5221791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 280 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 5221791 is about 2285.1238478472. The cubic root of 5221791 is about 173.4894865829.

The spelling of 5221791 in words is "five million, two hundred twenty-one thousand, seven hundred ninety-one".

Divisors: 1 3 9 43 103 129 131 309 387 393 927 1179 4429 5633 13287 13493 16899 39861 40479 50697 121437 580199 1740597 5221791