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189693000 = 23325373011
BaseRepresentation
bin10110100111001…
…11110001001000
3111012221101212200
423103213301020
5342030134000
630453440200
74462235550
oct1323476110
9435841780
10189693000
1198093182
1253640060
13303b8aa3
141b29c160
15119c0500
hexb4e7c48

189693000 has 192 divisors, whose sum is σ = 733000320. Its totient is φ = 43344000.

The previous prime is 189692977. The next prime is 189693001. The reversal of 189693000 is 396981.

189693000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (189693001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61495 + ... + 64505.

It is an arithmetic number, because the mean of its divisors is an integer number (3817710).

Almost surely, 2189693000 is an apocalyptic number.

189693000 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 189693000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366500160).

189693000 is an abundant number, since it is smaller than the sum of its proper divisors (543307320).

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

189693000 is a wasteful number, since it uses less digits than its factorization.

189693000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 189693000 is about 13772.9081896308. The cubic root of 189693000 is about 574.5799073975.

The spelling of 189693000 in words is "one hundred eighty-nine million, six hundred ninety-three thousand".