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52788246 = 2371256863
BaseRepresentation
bin1100100101011…
…1110000010110
310200022220212020
43021113300112
5102003210441
65123234010
71210456410
oct311276026
9120286766
1052788246
1127885655
1215818906
13ac23564
1470219b0
15497ae66
hex3257c16

52788246 has 16 divisors (see below), whose sum is σ = 120658944. Its totient is φ = 15082344.

The previous prime is 52788227. The next prime is 52788259. The reversal of 52788246 is 64288725.

It is a happy number.

52788246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1256863 = 52788246 / (5 + 2 + 7 + 8 + 8 + 2 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 52788198 and 52788207.

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, 628390 + ... + 628473.

It is an arithmetic number, because the mean of its divisors is an integer number (7541184).

Almost surely, 252788246 is an apocalyptic number.

52788246 is an abundant number, since it is smaller than the sum of its proper divisors (67870698).

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

52788246 is a wasteful number, since it uses less digits than its factorization.

52788246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256875.

The product of its digits is 215040, while the sum is 42.

The square root of 52788246 is about 7265.5520093108. The cubic root of 52788246 is about 375.1276507647.

The spelling of 52788246 in words is "fifty-two million, seven hundred eighty-eight thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 1256863 2513726 3770589 7541178 8798041 17596082 26394123 52788246