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52053805 = 531418191
BaseRepresentation
bin1100011010010…
…0011100101101
310121221121101201
43012210130231
5101311210210
65055405501
71201310236
oct306443455
9117847351
1052053805
1127423881
1215523891
13aa2718b
146cb008d
15488353a
hex31a472d

52053805 has 16 divisors (see below), whose sum is σ = 66060288. Its totient is φ = 39312000.

The previous prime is 52053773. The next prime is 52053809. The reversal of 52053805 is 50835025.

52053805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52053805 - 25 = 52053773 is a prime.

It is a super-2 number, since 2×520538052 = 5419197229956050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52053809) 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 15 ways as a sum of consecutive naturals, for example, 2260 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (4128768).

Almost surely, 252053805 is an apocalyptic number.

It is an amenable number.

52053805 is a deficient number, since it is larger than the sum of its proper divisors (14006483).

52053805 is a wasteful number, since it uses less digits than its factorization.

52053805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52053805 is about 7214.8322918832. The cubic root of 52053805 is about 373.3798070512.

The spelling of 52053805 in words is "fifty-two million, fifty-three thousand, eight hundred five".

Divisors: 1 5 31 41 155 205 1271 6355 8191 40955 253921 335831 1269605 1679155 10410761 52053805