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194238000 = 24345311109
BaseRepresentation
bin10111001001111…
…01011000110000
3111112111022110000
423210331120300
5344211104000
631135110000
74545665355
oct1344753060
9445438400
10194238000
119a707980
1255072300
133131a738
141bb2262c
15120bc000
hexb93d630

194238000 has 400 divisors, whose sum is σ = 772405920. Its totient is φ = 46656000.

The previous prime is 194237993. The next prime is 194238001. The reversal of 194238000 is 832491.

194238000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (194238001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1781946 + ... + 1782054.

Almost surely, 2194238000 is an apocalyptic number.

194238000 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 194238000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386202960).

194238000 is an abundant number, since it is smaller than the sum of its proper divisors (578167920).

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

194238000 is a wasteful number, since it uses less digits than its factorization.

194238000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 194238000 is about 13936.9293605155. The cubic root of 194238000 is about 579.1326711467.

The spelling of 194238000 in words is "one hundred ninety-four million, two hundred thirty-eight thousand".