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52318317 = 317439439
BaseRepresentation
bin1100011110010…
…1000001101101
310122110001020110
43013211001231
5101343141232
65105210233
71203461352
oct307450155
9118401213
1052318317
1127594587
1215630979
13aaba6ac
146d3c629
1548d6acc
hex31e506d

52318317 has 4 divisors (see below), whose sum is σ = 69757760. Its totient is φ = 34878876.

The previous prime is 52318283. The next prime is 52318319. The reversal of 52318317 is 71381325.

52318317 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 52318317 - 223 = 43929709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52318319) 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, 8719717 + ... + 8719722.

It is an arithmetic number, because the mean of its divisors is an integer number (17439440).

Almost surely, 252318317 is an apocalyptic number.

It is an amenable number.

52318317 is a deficient number, since it is larger than the sum of its proper divisors (17439443).

52318317 is a wasteful number, since it uses less digits than its factorization.

52318317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17439442.

The product of its digits is 5040, while the sum is 30.

The square root of 52318317 is about 7233.1401894336. The cubic root of 52318317 is about 374.0111833807.

The spelling of 52318317 in words is "fifty-two million, three hundred eighteen thousand, three hundred seventeen".

Divisors: 1 3 17439439 52318317