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52971 = 317657
BaseRepresentation
bin1100111011101011
32200122220
430323223
53143341
61045123
7310302
oct147353
980586
1052971
1136886
12267a3
131b159
1415439
1510a66
hexceeb

52971 has 4 divisors (see below), whose sum is σ = 70632. Its totient is φ = 35312.

The previous prime is 52967. The next prime is 52973. The reversal of 52971 is 17925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52971 - 22 = 52967 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (52973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8826 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (17658).

252971 is an apocalyptic number.

52971 is a deficient number, since it is larger than the sum of its proper divisors (17661).

52971 is a wasteful number, since it uses less digits than its factorization.

52971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17660.

The product of its digits is 630, while the sum is 24.

The square root of 52971 is about 230.1542960711. The cubic root of 52971 is about 37.5560052050.

The spelling of 52971 in words is "fifty-two thousand, nine hundred seventy-one".

Divisors: 1 3 17657 52971