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52310311 = 538111217
BaseRepresentation
bin1100011110001…
…1000100100111
310122102122020221
43013203010213
5101342412221
65105105211
71203426124
oct307430447
9118378227
1052310311
1127589569
1215628207
13aab6b61
146d3974b
1548d4541
hex31e3127

52310311 has 8 divisors (see below), whose sum is σ = 53406864. Its totient is φ = 51217920.

The previous prime is 52310281. The next prime is 52310327. The reversal of 52310311 is 11301325.

52310311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52310311 - 213 = 52302119 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 (52310351) 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, 42375 + ... + 43591.

It is an arithmetic number, because the mean of its divisors is an integer number (6675858).

Almost surely, 252310311 is an apocalyptic number.

52310311 is a deficient number, since it is larger than the sum of its proper divisors (1096553).

52310311 is a wasteful number, since it uses less digits than its factorization.

52310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 52310311 is about 7232.5867433443. The cubic root of 52310311 is about 373.9921047453.

Adding to 52310311 its reverse (11301325), we get a palindrome (63611636).

The spelling of 52310311 in words is "fifty-two million, three hundred ten thousand, three hundred eleven".

Divisors: 1 53 811 1217 42983 64501 986987 52310311