Search a number
-
+
188032000 = 2105313113
BaseRepresentation
bin10110011010100…
…10010000000000
3111002211000102011
423031102100000
5341114011000
630354102304
74442150152
oct1315222000
9432730364
10188032000
1197159252
1252b7a994
132cc56a50
141ad88ad2
15117932ba
hexb352400

188032000 has 176 divisors, whose sum is σ = 509653872. Its totient is φ = 68812800.

The previous prime is 188031989. The next prime is 188032001. The reversal of 188032000 is 230881.

It can be written as a sum of positive squares in 8 ways, for example, as 153363456 + 34668544 = 12384^2 + 5888^2 .

It is not an unprimeable number, because it can be changed into a prime (188032001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663944 + ... + 1664056.

Almost surely, 2188032000 is an apocalyptic number.

188032000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254826936).

188032000 is an abundant number, since it is smaller than the sum of its proper divisors (321621872).

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

188032000 is a wasteful number, since it uses less digits than its factorization.

188032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 188032000 is about 13712.4760710821. The cubic root of 188032000 is about 572.8979327575.

Adding to 188032000 its reverse (230881), we get a palindrome (188262881).

The spelling of 188032000 in words is "one hundred eighty-eight million, thirty-two thousand".