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197071 = 747599
BaseRepresentation
bin110000000111001111
3101000022221
4300013033
522301241
64120211
71450360
oct600717
9330287
10197071
11125076
1296067
136b914
1451b67
153d5d1
hex301cf

197071 has 8 divisors (see below), whose sum is σ = 230400. Its totient is φ = 165048.

The previous prime is 197063. The next prime is 197077. The reversal of 197071 is 170791.

197071 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 a cyclic number.

It is not a de Polignac number, because 197071 - 23 = 197063 is a prime.

It is a Duffinian number.

197071 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197077) 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, 30 + ... + 628.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2197071 is an apocalyptic number.

197071 is a deficient number, since it is larger than the sum of its proper divisors (33329).

197071 is an equidigital number, since it uses as much as digits as its factorization.

197071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

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

The square root of 197071 is about 443.9267957670. The cubic root of 197071 is about 58.1934680891.

The spelling of 197071 in words is "one hundred ninety-seven thousand, seventy-one".

Divisors: 1 7 47 329 599 4193 28153 197071