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194000 = 245397
BaseRepresentation
bin101111010111010000
3100212010012
4233113100
522202000
64054052
71435412
oct572720
9325105
10194000
11122834
1294328
136a3c1
14509b2
153c735
hex2f5d0

194000 has 40 divisors (see below), whose sum is σ = 473928. Its totient is φ = 76800.

The previous prime is 193993. The next prime is 194003. The reversal of 194000 is 491.

It can be written as a sum of positive squares in 4 ways, for example, as 10816 + 183184 = 104^2 + 428^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 2048.

2194000 is an apocalyptic number.

194000 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 194000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236964).

194000 is an abundant number, since it is smaller than the sum of its proper divisors (279928).

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

194000 is an equidigital number, since it uses as much as digits as its factorization.

194000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 194000 is about 440.4543109109. The cubic root of 194000 is about 57.8896037206.

Adding to 194000 its reverse (491), we get a palindrome (194491).

The spelling of 194000 in words is "one hundred ninety-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 97 100 125 194 200 250 388 400 485 500 776 970 1000 1552 1940 2000 2425 3880 4850 7760 9700 12125 19400 24250 38800 48500 97000 194000