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52945 = 510589
BaseRepresentation
bin1100111011010001
32200121221
430323101
53143240
61045041
7310234
oct147321
980557
1052945
1136862
1226781
131b139
141541b
1510a4a
hexced1

52945 has 4 divisors (see below), whose sum is σ = 63540. Its totient is φ = 42352.

The previous prime is 52937. The next prime is 52951. The reversal of 52945 is 54925.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12544 + 40401 = 112^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 52945 - 23 = 52937 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5290 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (15885).

252945 is an apocalyptic number.

It is an amenable number.

52945 is a deficient number, since it is larger than the sum of its proper divisors (10595).

52945 is a wasteful number, since it uses less digits than its factorization.

52945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594.

The product of its digits is 1800, while the sum is 25.

The square root of 52945 is about 230.0978052916. The cubic root of 52945 is about 37.5498596037.

Adding to 52945 its product of digits (1800), we get a palindrome (54745).

The spelling of 52945 in words is "fifty-two thousand, nine hundred forty-five".

Divisors: 1 5 10589 52945