Search a number
-
+
193894 = 2293343
BaseRepresentation
bin101111010101100110
3100211222021
4233111212
522201034
64053354
71435201
oct572546
9324867
10193894
11122748
129425a
136a33c
1450938
153c6b4
hex2f566

193894 has 8 divisors (see below), whose sum is σ = 300960. Its totient is φ = 93576.

The previous prime is 193891. The next prime is 193937. The reversal of 193894 is 498391.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193891) 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 3 ways as a sum of consecutive naturals, for example, 1614 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2193894 is an apocalyptic number.

193894 is a deficient number, since it is larger than the sum of its proper divisors (107066).

193894 is a wasteful number, since it uses less digits than its factorization.

193894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its digits is 7776, while the sum is 34.

The square root of 193894 is about 440.3339641681. Note that the first 3 decimals coincide. The cubic root of 193894 is about 57.8790583324.

The spelling of 193894 in words is "one hundred ninety-three thousand, eight hundred ninety-four".

Divisors: 1 2 29 58 3343 6686 96947 193894