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52211020 = 2252990019
BaseRepresentation
bin1100011100101…
…0110101001100
310122020121001111
43013022311030
5101331223040
65103021404
71202533501
oct307126514
9118217044
1052211020
1127520a04
121559a864
13aa808c4
146d114a8
1548b4dea
hex31cad4c

52211020 has 24 divisors (see below), whose sum is σ = 113425200. Its totient is φ = 20164032.

The previous prime is 52210997. The next prime is 52211039. The reversal of 52211020 is 2011225.

52211020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44430 + ... + 45589.

It is an arithmetic number, because the mean of its divisors is an integer number (4726050).

Almost surely, 252211020 is an apocalyptic number.

It is an amenable number.

52211020 is an abundant number, since it is smaller than the sum of its proper divisors (61214180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52211020 is a wasteful number, since it uses less digits than its factorization.

52211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90057 (or 90055 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 52211020 is about 7225.7193413528. The cubic root of 52211020 is about 373.7553281642.

Adding to 52211020 its reverse (2011225), we get a palindrome (54222245).

It can be divided in two parts, 5221 and 1020, that added together give a square (6241 = 792).

The spelling of 52211020 in words is "fifty-two million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 90019 180038 360076 450095 900190 1800380 2610551 5221102 10442204 13052755 26105510 52211020