Search a number
-
+
52188 = 2234349
BaseRepresentation
bin1100101111011100
32122120220
430233130
53132223
61041340
7305103
oct145734
978526
1052188
1136234
1226250
131a9a6
141503a
15106e3
hexcbdc

52188 has 12 divisors (see below), whose sum is σ = 121800. Its totient is φ = 17392.

The previous prime is 52183. The next prime is 52189. The reversal of 52188 is 88125.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52181) 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, 2163 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (10150).

252188 is an apocalyptic number.

It is an amenable number.

52188 is an abundant number, since it is smaller than the sum of its proper divisors (69612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60900).

52188 is a wasteful number, since it uses less digits than its factorization.

52188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4354 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 52188 is about 228.4469303799. The cubic root of 52188 is about 37.3700390130.

Subtracting 52188 from its reverse (88125), we obtain a cube (35937 = 333).

The spelling of 52188 in words is "fifty-two thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 4349 8698 13047 17396 26094 52188