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52203171 = 317401057
BaseRepresentation
bin1100011100100…
…0111010100011
310122020012021210
43013020322203
5101331000141
65102521203
71202501556
oct307107243
9118205253
1052203171
1127516019
1215596203
13aa7a167
146d0c69d
1548b2916
hex31c8ea3

52203171 has 4 divisors (see below), whose sum is σ = 69604232. Its totient is φ = 34802112.

The previous prime is 52203157. The next prime is 52203191. The reversal of 52203171 is 17130225.

52203171 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 not a de Polignac number, because 52203171 - 25 = 52203139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52203191) 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, 8700526 + ... + 8700531.

It is an arithmetic number, because the mean of its divisors is an integer number (17401058).

Almost surely, 252203171 is an apocalyptic number.

52203171 is a deficient number, since it is larger than the sum of its proper divisors (17401061).

52203171 is a wasteful number, since it uses less digits than its factorization.

52203171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17401060.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 52203171 is about 7225.1761916233. The cubic root of 52203171 is about 373.7365980661.

Adding to 52203171 its reverse (17130225), we get a palindrome (69333396).

The spelling of 52203171 in words is "fifty-two million, two hundred three thousand, one hundred seventy-one".

Divisors: 1 3 17401057 52203171