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53243560 = 2356719867
BaseRepresentation
bin1100101100011…
…0111010101000
310201012001102201
43023012322220
5102112243220
65141105544
71214364016
oct313067250
9121161381
1053243560
1128066747
12159b82b4
13b052886
1470dd8b6
154a1ad0a
hex32c6ea8

53243560 has 32 divisors (see below), whose sum is σ = 121592160. Its totient is φ = 20978496.

The previous prime is 53243537. The next prime is 53243573. The reversal of 53243560 is 6534235.

53243560 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, 7254 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (3799755).

Almost surely, 253243560 is an apocalyptic number.

It is an amenable number.

53243560 is an abundant number, since it is smaller than the sum of its proper divisors (68348600).

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

53243560 is a wasteful number, since it uses less digits than its factorization.

53243560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19945 (or 19941 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 53243560 is about 7296.8184847918. The cubic root of 53243560 is about 376.2030930880.

Adding to 53243560 its reverse (6534235), we get a palindrome (59777795).

The spelling of 53243560 in words is "fifty-three million, two hundred forty-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 19867 39734 79468 99335 158936 198670 397340 794680 1331089 2662178 5324356 6655445 10648712 13310890 26621780 53243560