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196213 = 1923449
BaseRepresentation
bin101111111001110101
3100222011011
4233321311
522234323
64112221
71445023
oct577165
9328134
10196213
11124466
1295671
136b404
1451713
153d20d
hex2fe75

196213 has 8 divisors (see below), whose sum is σ = 216000. Its totient is φ = 177408.

The previous prime is 196201. The next prime is 196247. The reversal of 196213 is 312691.

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 196213 - 25 = 196181 is a prime.

It is a Duffinian number.

196213 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2196213 is an apocalyptic number.

It is an amenable number.

196213 is a deficient number, since it is larger than the sum of its proper divisors (19787).

196213 is a wasteful number, since it uses less digits than its factorization.

196213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 324, while the sum is 22.

The square root of 196213 is about 442.9593660823. The cubic root of 196213 is about 58.1088917478.

The spelling of 196213 in words is "one hundred ninety-six thousand, two hundred thirteen".

Divisors: 1 19 23 437 449 8531 10327 196213