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52397 = 151347
BaseRepresentation
bin1100110010101101
32122212122
430302231
53134042
61042325
7305522
oct146255
978778
1052397
1136404
12263a5
131ab07
1415149
15107d2
hexccad

52397 has 4 divisors (see below), whose sum is σ = 52896. Its totient is φ = 51900.

The previous prime is 52391. The next prime is 52433. The reversal of 52397 is 79325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52397 - 214 = 36013 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 (52391) 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, 23 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (13224).

252397 is an apocalyptic number.

It is an amenable number.

52397 is a deficient number, since it is larger than the sum of its proper divisors (499).

52397 is a wasteful number, since it uses less digits than its factorization.

52397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 1890, while the sum is 26.

The square root of 52397 is about 228.9039099710. The cubic root of 52397 is about 37.4198584806.

The spelling of 52397 in words is "fifty-two thousand, three hundred ninety-seven".

Divisors: 1 151 347 52397