Search a number
-
+
188256000 = 283533753
BaseRepresentation
bin10110011100010…
…00111100000000
3111010020101200110
423032020330000
5341143143000
630402551320
74444102212
oct1316107400
9433211613
10188256000
11972a1579
1253068540
13300049aa
141b0065b2
15117d9850
hexb388f00

188256000 has 288 divisors, whose sum is σ = 654308928. Its totient is φ = 47923200.

The previous prime is 188255941. The next prime is 188256007. The reversal of 188256000 is 652881.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188256007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3551974 + ... + 3552026.

It is an arithmetic number, because the mean of its divisors is an integer number (2271906).

Almost surely, 2188256000 is an apocalyptic number.

188256000 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 188256000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327154464).

188256000 is an abundant number, since it is smaller than the sum of its proper divisors (466052928).

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

188256000 is an equidigital number, since it uses as much as digits as its factorization.

188256000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 188256000 is about 13720.6413844251. The cubic root of 188256000 is about 573.1253376880.

The spelling of 188256000 in words is "one hundred eighty-eight million, two hundred fifty-six thousand".