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52404564 = 2234367047
BaseRepresentation
bin1100011111101…
…0000101010100
310122121102112210
43013322011110
5101403421224
65111113420
71204300662
oct307720524
9118542483
1052404564
1127643363
1215672870
13ab1aa24
146d61c32
154902429
hex31fa154

52404564 has 12 divisors (see below), whose sum is σ = 122277344. Its totient is φ = 17468184.

The previous prime is 52404563. The next prime is 52404581. The reversal of 52404564 is 46540425.

52404564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52404563) 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, 2183512 + ... + 2183535.

Almost surely, 252404564 is an apocalyptic number.

It is an amenable number.

52404564 is an abundant number, since it is smaller than the sum of its proper divisors (69872780).

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

52404564 is a wasteful number, since it uses less digits than its factorization.

52404564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367054 (or 4367052 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 52404564 is about 7239.0996677764. The cubic root of 52404564 is about 374.2165903021.

Adding to 52404564 its reverse (46540425), we get a palindrome (98944989).

The spelling of 52404564 in words is "fifty-two million, four hundred four thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 4367047 8734094 13101141 17468188 26202282 52404564