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52221123 = 3222725561
BaseRepresentation
bin1100011100110…
…1010011000011
310122021002220200
43013031103003
5101332033443
65103140243
71202605113
oct307152303
9118232820
1052221123
1127528559
12155a4683
13aa85396
146d15043
1548b7dd3
hex31cd4c3

52221123 has 12 divisors (see below), whose sum is σ = 75765768. Its totient is φ = 34659360.

The previous prime is 52221079. The next prime is 52221149. The reversal of 52221123 is 32112225.

52221123 is a `hidden beast` number, since 522 + 21 + 123 = 666.

52221123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52221123 - 210 = 52220099 is a prime.

It is a super-2 number, since 2×522211232 = 5454091374762258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52221096 and 52221105.

It is not an unprimeable number, because it can be changed into a prime (52221173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10738 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (6313814).

Almost surely, 252221123 is an apocalyptic number.

52221123 is a deficient number, since it is larger than the sum of its proper divisors (23544645).

52221123 is a wasteful number, since it uses less digits than its factorization.

52221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794 (or 25791 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 52221123 is about 7226.4184074824. The cubic root of 52221123 is about 373.7794342281.

Adding to 52221123 its reverse (32112225), we get a palindrome (84333348).

The spelling of 52221123 in words is "fifty-two million, two hundred twenty-one thousand, one hundred twenty-three".

Divisors: 1 3 9 227 681 2043 25561 76683 230049 5802347 17407041 52221123