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196989 = 3135051
BaseRepresentation
bin110000000101111101
3101000012220
4300011331
522300424
64115553
71450212
oct600575
9330186
10196989
11125001
1295bb9
136b880
1451b09
153d579
hex3017d

196989 has 8 divisors (see below), whose sum is σ = 282912. Its totient is φ = 121200.

The previous prime is 196961. The next prime is 196991. The reversal of 196989 is 989691.

196989 is digitally balanced in base 2, 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 not a de Polignac number, because 196989 - 29 = 196477 is a prime.

It is a super-2 number, since 2×1969892 = 77609332242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196919) 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, 2487 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (35364).

2196989 is an apocalyptic number.

It is an amenable number.

196989 is a deficient number, since it is larger than the sum of its proper divisors (85923).

196989 is a wasteful number, since it uses less digits than its factorization.

196989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067.

The product of its digits is 34992, while the sum is 42.

The square root of 196989 is about 443.8344285880. The cubic root of 196989 is about 58.1853956577.

The spelling of 196989 in words is "one hundred ninety-six thousand, nine hundred eighty-nine".

Divisors: 1 3 13 39 5051 15153 65663 196989