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52173143 = 112716073
BaseRepresentation
bin1100011100000…
…1100101010111
310122011200002122
43013001211113
5101324020033
65102130155
71202315201
oct307014527
9118150078
1052173143
11274a5500
121558095b
13aa695a9
146d01771
1548a8a98
hex31c1957

52173143 has 12 divisors (see below), whose sum is σ = 58164624. Its totient is φ = 46754400.

The previous prime is 52173139. The next prime is 52173157. The reversal of 52173143 is 34137125.

52173143 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 52173143 - 22 = 52173139 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52173133) 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 11 ways as a sum of consecutive naturals, for example, 5555 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (4847052).

Almost surely, 252173143 is an apocalyptic number.

52173143 is a deficient number, since it is larger than the sum of its proper divisors (5991481).

52173143 is a wasteful number, since it uses less digits than its factorization.

52173143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166 (or 6155 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 52173143 is about 7223.0978811034. The cubic root of 52173143 is about 373.6649248016.

The spelling of 52173143 in words is "fifty-two million, one hundred seventy-three thousand, one hundred forty-three".

Divisors: 1 11 71 121 781 6073 8591 66803 431183 734833 4743013 52173143