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197057 = 728151
BaseRepresentation
bin110000000111000001
3101000022102
4300013001
522301212
64120145
71450340
oct600701
9330272
10197057
11125063
1296055
136b903
1451b57
153d5c2
hex301c1

197057 has 4 divisors (see below), whose sum is σ = 225216. Its totient is φ = 168900.

The previous prime is 197033. The next prime is 197059. The reversal of 197057 is 750791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197057 - 26 = 196993 is a prime.

It is a super-2 number, since 2×1970572 = 77662922498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197059) 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, 14069 + ... + 14082.

It is an arithmetic number, because the mean of its divisors is an integer number (56304).

2197057 is an apocalyptic number.

It is an amenable number.

197057 is a deficient number, since it is larger than the sum of its proper divisors (28159).

197057 is an equidigital number, since it uses as much as digits as its factorization.

197057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28158.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 197057 is about 443.9110271214. The cubic root of 197057 is about 58.1920900277.

The spelling of 197057 in words is "one hundred ninety-seven thousand, fifty-seven".

Divisors: 1 7 28151 197057