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53184240 = 2432573867
BaseRepresentation
bin1100101011100…
…0011011110000
310201002001001200
43022320123300
5102103343430
65135531200
71214026044
oct312703360
9121061050
1053184240
112802611a
1215989b00
13b031885
1470c6024
154a08460
hex32b86f0

53184240 has 60 divisors (see below), whose sum is σ = 178612824. Its totient is φ = 14182272.

The previous prime is 53184233. The next prime is 53184247. The reversal of 53184240 is 4248135.

53184240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53184233) and next prime (53184247).

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53184247) 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, 36214 + ... + 37653.

Almost surely, 253184240 is an apocalyptic number.

It is an amenable number.

53184240 is an abundant number, since it is smaller than the sum of its proper divisors (125428584).

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

53184240 is a wasteful number, since it uses less digits than its factorization.

53184240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73886 (or 73877 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53184240 is about 7292.7525667611. The cubic root of 53184240 is about 376.0633287024.

The spelling of 53184240 in words is "fifty-three million, one hundred eighty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 73867 147734 221601 295468 369335 443202 590936 664803 738670 886404 1108005 1181872 1329606 1477340 1772808 2216010 2659212 2954680 3324015 3545616 4432020 5318424 5909360 6648030 8864040 10636848 13296060 17728080 26592120 53184240