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197107 = 533719
BaseRepresentation
bin110000000111110011
3101000101021
4300013303
522301412
64120311
71450441
oct600763
9330337
10197107
111250a9
1296097
136b941
1451b91
153d607
hex301f3

197107 has 4 divisors (see below), whose sum is σ = 200880. Its totient is φ = 193336.

The previous prime is 197101. The next prime is 197117. The reversal of 197107 is 701791.

197107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-197107 is a prime.

It is a house number.

It is a Duffinian number.

197107 is a lucky number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (197101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2197107 is an apocalyptic number.

197107 is a deficient number, since it is larger than the sum of its proper divisors (3773).

197107 is an equidigital number, since it uses as much as digits as its factorization.

197107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 197107 is about 443.9673411412. The cubic root of 197107 is about 58.1970113761.

Adding to 197107 its reverse (701791), we get a palindrome (898898).

The spelling of 197107 in words is "one hundred ninety-seven thousand, one hundred seven".

Divisors: 1 53 3719 197107