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52737820 = 2253185061
BaseRepresentation
bin1100100100101…
…1011100011100
310200020100200121
43021023130130
5102000102240
65122204324
71210156402
oct311133434
9120210617
1052737820
1127850783
12157b36a4
13ac06615
14700b472
15496b04a
hex324b71c

52737820 has 24 divisors (see below), whose sum is σ = 114323328. Its totient is φ = 20414400.

The previous prime is 52737779. The next prime is 52737869. The reversal of 52737820 is 2873725.

52737820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 41911 + ... + 43150.

It is an arithmetic number, because the mean of its divisors is an integer number (4763472).

Almost surely, 252737820 is an apocalyptic number.

It is an amenable number.

52737820 is an abundant number, since it is smaller than the sum of its proper divisors (61585508).

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

52737820 is a wasteful number, since it uses less digits than its factorization.

52737820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85101 (or 85099 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 52737820 is about 7262.0809689785. The cubic root of 52737820 is about 375.0081657481.

The spelling of 52737820 in words is "fifty-two million, seven hundred thirty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 85061 170122 340244 425305 850610 1701220 2636891 5273782 10547564 13184455 26368910 52737820