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52204311 = 33531912
BaseRepresentation
bin1100011100100…
…1001100010111
310122020020212000
43013021030113
5101331014221
65102530343
71202505105
oct307111427
9118206760
1052204311
1127516965
12155969b3
13aa7a833
146d0cc75
1548b2e26
hex31c9317

52204311 has 24 divisors (see below), whose sum is σ = 79213680. Its totient is φ = 33967440.

The previous prime is 52204303. The next prime is 52204391. The reversal of 52204311 is 11340225.

52204311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52204311 - 23 = 52204303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52204301) 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 23 ways as a sum of consecutive naturals, for example, 273226 + ... + 273416.

It is an arithmetic number, because the mean of its divisors is an integer number (3300570).

Almost surely, 252204311 is an apocalyptic number.

52204311 is a deficient number, since it is larger than the sum of its proper divisors (27009369).

52204311 is an equidigital number, since it uses as much as digits as its factorization.

52204311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52204311 is about 7225.2550820023. The cubic root of 52204311 is about 373.7393185689.

Adding to 52204311 its reverse (11340225), we get a palindrome (63544536).

The spelling of 52204311 in words is "fifty-two million, two hundred four thousand, three hundred eleven".