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52389 = 325821
BaseRepresentation
bin1100110010100101
32122212100
430302211
53134024
61042313
7305511
oct146245
978770
1052389
11363a7
1226399
131aacc
1415141
15107c9
hexcca5

52389 has 6 divisors (see below), whose sum is σ = 75686. Its totient is φ = 34920.

The previous prime is 52387. The next prime is 52391. The reversal of 52389 is 98325.

52389 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52387) and next prime (52391).

It can be written as a sum of positive squares in only one way, i.e., 50625 + 1764 = 225^2 + 42^2 .

It is not a de Polignac number, because 52389 - 21 = 52387 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2902 + ... + 2919.

252389 is an apocalyptic number.

It is an amenable number.

52389 is a deficient number, since it is larger than the sum of its proper divisors (23297).

52389 is a wasteful number, since it uses less digits than its factorization.

52389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827 (or 5824 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 52389 is about 228.8864347225. The cubic root of 52389 is about 37.4179539562.

It can be divided in two parts, 52 and 389, that added together give a square (441 = 212).

The spelling of 52389 in words is "fifty-two thousand, three hundred eighty-nine".

Divisors: 1 3 9 5821 17463 52389