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196838 = 298419
BaseRepresentation
bin110000000011100110
3101000000022
4300003212
522244323
64115142
71446605
oct600346
9330008
10196838
11124984
1295ab2
136b795
1451a3c
153d4c8
hex300e6

196838 has 4 divisors (see below), whose sum is σ = 295260. Its totient is φ = 98418.

The previous prime is 196837. The next prime is 196853. The reversal of 196838 is 838691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838691 = 7119813.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 196798 and 196807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49208 + ... + 49211.

It is an arithmetic number, because the mean of its divisors is an integer number (73815).

2196838 is an apocalyptic number.

196838 is a deficient number, since it is larger than the sum of its proper divisors (98422).

196838 is an equidigital number, since it uses as much as digits as its factorization.

196838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98421.

The product of its digits is 10368, while the sum is 35.

The square root of 196838 is about 443.6642874968. The cubic root of 196838 is about 58.1705247079.

It can be divided in two parts, 19683 and 8, that multiplied together give a cube (157464 = 543).

The spelling of 196838 in words is "one hundred ninety-six thousand, eight hundred thirty-eight".

Divisors: 1 2 98419 196838