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52333331 = 119343867
BaseRepresentation
bin1100011110100…
…0101100010011
310122110210211112
43013220230103
5101344131311
65105403535
71203553211
oct307505423
9118423745
1052333331
11275a4896
12156395ab
13aac448b
146d43cb1
1548db28b
hex31e8b13

52333331 has 4 divisors (see below), whose sum is σ = 52378392. Its totient is φ = 52288272.

The previous prime is 52333297. The next prime is 52333339. The reversal of 52333331 is 13333325.

52333331 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 a de Polignac number, because none of the positive numbers 2k-52333331 is a prime.

It is a super-2 number, since 2×523333312 = 5477555067111122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52333297 and 52333306.

It is not an unprimeable number, because it can be changed into a prime (52333339) 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, 20741 + ... + 23126.

It is an arithmetic number, because the mean of its divisors is an integer number (13094598).

Almost surely, 252333331 is an apocalyptic number.

52333331 is a deficient number, since it is larger than the sum of its proper divisors (45061).

52333331 is a wasteful number, since it uses less digits than its factorization.

52333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45060.

The product of its digits is 2430, while the sum is 23.

The square root of 52333331 is about 7234.1779767987. The cubic root of 52333331 is about 374.0469571285.

Adding to 52333331 its reverse (13333325), we get a palindrome (65666656).

The spelling of 52333331 in words is "fifty-two million, three hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 1193 43867 52333331