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194385 = 3512959
BaseRepresentation
bin101111011101010001
3100212122110
4233131101
522210020
64055533
71436502
oct573521
9325573
10194385
11123054
12945a9
136a629
1450ba9
153c8e0
hex2f751

194385 has 8 divisors (see below), whose sum is σ = 311040. Its totient is φ = 103664.

The previous prime is 194377. The next prime is 194413. The reversal of 194385 is 583491.

194385 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194385 - 23 = 194377 is a prime.

194385 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194385.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2194385 is an apocalyptic number.

194385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194385 is a deficient number, since it is larger than the sum of its proper divisors (116655).

194385 is a wasteful number, since it uses less digits than its factorization.

194385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12967.

The product of its digits is 4320, while the sum is 30.

The square root of 194385 is about 440.8911430274. The cubic root of 194385 is about 57.9278730853.

The spelling of 194385 in words is "one hundred ninety-four thousand, three hundred eighty-five".

Divisors: 1 3 5 15 12959 38877 64795 194385