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52620828 = 22313337313
BaseRepresentation
bin1100100010111…
…0111000011100
310200000102012120
43020232320130
5101432331303
65115502540
71206161331
oct310567034
9120012176
1052620828
1127780897
1215757a50
13ab952b0
146dba988
154946553
hex322ee1c

52620828 has 24 divisors (see below), whose sum is σ = 132227088. Its totient is φ = 16190976.

The previous prime is 52620817. The next prime is 52620829. The reversal of 52620828 is 82802625.

52620828 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 not an unprimeable number, because it can be changed into a prime (52620829) 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 7 ways as a sum of consecutive naturals, for example, 168501 + ... + 168812.

It is an arithmetic number, because the mean of its divisors is an integer number (5509462).

Almost surely, 252620828 is an apocalyptic number.

It is an amenable number.

52620828 is an abundant number, since it is smaller than the sum of its proper divisors (79606260).

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

52620828 is a wasteful number, since it uses less digits than its factorization.

52620828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337333 (or 337331 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 52620828 is about 7254.0215053445. The cubic root of 52620828 is about 374.7306581484.

The spelling of 52620828 in words is "fifty-two million, six hundred twenty thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 337313 674626 1011939 1349252 2023878 4047756 4385069 8770138 13155207 17540276 26310414 52620828