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52208911 = 86360497
BaseRepresentation
bin1100011100101…
…0010100001111
310122020111011101
43013022110033
5101331141121
65103003531
71202524366
oct307122417
9118214141
1052208911
112751a367
12155995a7
13aa7c961
146d107dd
1548b4491
hex31ca50f

52208911 has 4 divisors (see below), whose sum is σ = 52270272. Its totient is φ = 52147552.

The previous prime is 52208881. The next prime is 52208917. The reversal of 52208911 is 11980225.

52208911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52208911 - 211 = 52206863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52208911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208917) 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 3 ways as a sum of consecutive naturals, for example, 29386 + ... + 31111.

It is an arithmetic number, because the mean of its divisors is an integer number (13067568).

Almost surely, 252208911 is an apocalyptic number.

52208911 is a deficient number, since it is larger than the sum of its proper divisors (61361).

52208911 is an equidigital number, since it uses as much as digits as its factorization.

52208911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61360.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 52208911 is about 7225.5734028518. The cubic root of 52208911 is about 373.7502956340.

The spelling of 52208911 in words is "fifty-two million, two hundred eight thousand, nine hundred eleven".

Divisors: 1 863 60497 52208911