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52106185 = 529359353
BaseRepresentation
bin1100011011000…
…1001111001001
310122001021020201
43012301033021
5101314344220
65100452201
71201616035
oct306611711
9118037221
1052106185
112745a16a
121554a061
13aa44c81
146cc51c5
154893d0a
hex31b13c9

52106185 has 8 divisors (see below), whose sum is σ = 64683720. Its totient is φ = 40247424.

The previous prime is 52106183. The next prime is 52106209. The reversal of 52106185 is 58160125.

52106185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4826809 + 47279376 = 2197^2 + 6876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52106185 - 21 = 52106183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52106183) 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, 179532 + ... + 179821.

It is an arithmetic number, because the mean of its divisors is an integer number (8085465).

Almost surely, 252106185 is an apocalyptic number.

It is an amenable number.

52106185 is a deficient number, since it is larger than the sum of its proper divisors (12577535).

52106185 is a wasteful number, since it uses less digits than its factorization.

52106185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359387.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 52106185 is about 7218.4614011575. The cubic root of 52106185 is about 373.5050049299.

The spelling of 52106185 in words is "fifty-two million, one hundred six thousand, one hundred eighty-five".

Divisors: 1 5 29 145 359353 1796765 10421237 52106185