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52244020 = 2252612201
BaseRepresentation
bin1100011101001…
…0111000110100
310122022021022201
43013102320310
5101333302040
65103434244
71203031633
oct307227064
9118267281
1052244020
1127543784
12155b5984
13aa9292a
146d1d51a
1548bea9a
hex31d2e34

52244020 has 12 divisors (see below), whose sum is σ = 109712484. Its totient is φ = 20897600.

The previous prime is 52243981. The next prime is 52244029. The reversal of 52244020 is 2044225.

52244020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18766224 + 33477796 = 4332^2 + 5786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52244029) 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 3 ways as a sum of consecutive naturals, for example, 1306081 + ... + 1306120.

It is an arithmetic number, because the mean of its divisors is an integer number (9142707).

Almost surely, 252244020 is an apocalyptic number.

It is an amenable number.

52244020 is an abundant number, since it is smaller than the sum of its proper divisors (57468464).

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

52244020 is a wasteful number, since it uses less digits than its factorization.

52244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612210 (or 2612208 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 52244020 is about 7228.0024903150. The cubic root of 52244020 is about 373.8340556576.

Adding to 52244020 its reverse (2044225), we get a palindrome (54288245).

The spelling of 52244020 in words is "fifty-two million, two hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 2612201 5224402 10448804 13061005 26122010 52244020