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52247 = 134019
BaseRepresentation
bin1100110000010111
32122200002
430300113
53132442
61041515
7305216
oct146027
978602
1052247
1136288
122629b
131aa20
141507d
1510732
hexcc17

52247 has 4 divisors (see below), whose sum is σ = 56280. Its totient is φ = 48216.

The previous prime is 52237. The next prime is 52249. The reversal of 52247 is 74225.

52247 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 a cyclic number.

It is not a de Polignac number, because 52247 - 26 = 52183 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 (52249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (14070).

252247 is an apocalyptic number.

52247 is a deficient number, since it is larger than the sum of its proper divisors (4033).

52247 is a wasteful number, since it uses less digits than its factorization.

52247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

The product of its digits is 560, while the sum is 20.

The square root of 52247 is about 228.5760267395. The cubic root of 52247 is about 37.3841163357.

The spelling of 52247 in words is "fifty-two thousand, two hundred forty-seven".

Divisors: 1 13 4019 52247