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52151353 = 55793629
BaseRepresentation
bin1100011011110…
…0010000111001
310122010120012121
43012330100321
5101322320403
65101441241
71202164522
oct306742071
9118116177
1052151353
11274900a1
1215570221
13aa5c6b7
146cd7849
1548a23bd
hex31bc439

52151353 has 4 divisors (see below), whose sum is σ = 52245540. Its totient is φ = 52057168.

The previous prime is 52151347. The next prime is 52151381. The reversal of 52151353 is 35315125.

52151353 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 can be written as a sum of positive squares in 2 ways, for example, as 11854249 + 40297104 = 3443^2 + 6348^2 .

It is a cyclic number.

It is not a de Polignac number, because 52151353 - 25 = 52151321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52151383) 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, 46258 + ... + 47371.

It is an arithmetic number, because the mean of its divisors is an integer number (13061385).

Almost surely, 252151353 is an apocalyptic number.

It is an amenable number.

52151353 is a deficient number, since it is larger than the sum of its proper divisors (94187).

52151353 is an equidigital number, since it uses as much as digits as its factorization.

52151353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94186.

The product of its digits is 2250, while the sum is 25.

The square root of 52151353 is about 7221.5893679993. The cubic root of 52151353 is about 373.6128974428.

Adding to 52151353 its reverse (35315125), we get a palindrome (87466478).

The spelling of 52151353 in words is "fifty-two million, one hundred fifty-one thousand, three hundred fifty-three".

Divisors: 1 557 93629 52151353