Search a number
-
+
188052 = 22315671
BaseRepresentation
bin101101111010010100
3100112221220
4231322110
522004202
64010340
71412154
oct557224
9315856
10188052
11119317
12909b0
1367797
144c764
153aabc
hex2de94

188052 has 12 divisors (see below), whose sum is σ = 438816. Its totient is φ = 62680.

The previous prime is 188029. The next prime is 188107. The reversal of 188052 is 250881.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

188052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7824 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (36568).

2188052 is an apocalyptic number.

188052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188052 is an abundant number, since it is smaller than the sum of its proper divisors (250764).

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

188052 is a wasteful number, since it uses less digits than its factorization.

188052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678 (or 15676 counting only the distinct ones).

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

The square root of 188052 is about 433.6496281562. The cubic root of 188052 is about 57.2918244110.

The spelling of 188052 in words is "one hundred eighty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 12 15671 31342 47013 62684 94026 188052