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52052853 = 317350951
BaseRepresentation
bin1100011010010…
…0001101110101
310121221120002110
43012210031311
5101311142403
65055401233
71201304406
oct306441565
9117846073
1052052853
1127423096
1215523219
13aa26908
146cad9ad
154883103
hex31a4375

52052853 has 4 divisors (see below), whose sum is σ = 69403808. Its totient is φ = 34701900.

The previous prime is 52052851. The next prime is 52052857. The reversal of 52052853 is 35825025.

52052853 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52052853 - 21 = 52052851 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 52052853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52052851) 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, 8675473 + ... + 8675478.

It is an arithmetic number, because the mean of its divisors is an integer number (17350952).

Almost surely, 252052853 is an apocalyptic number.

It is an amenable number.

52052853 is a deficient number, since it is larger than the sum of its proper divisors (17350955).

52052853 is a wasteful number, since it uses less digits than its factorization.

52052853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17350954.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 52052853 is about 7214.7663163820. The cubic root of 52052853 is about 373.3775308183.

Adding to 52052853 its reverse (35825025), we get a palindrome (87877878).

The spelling of 52052853 in words is "fifty-two million, fifty-two thousand, eight hundred fifty-three".

Divisors: 1 3 17350951 52052853