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197130 = 2356571
BaseRepresentation
bin110000001000001010
3101000102010
4300020022
522302010
64120350
71450503
oct601012
9330363
10197130
1112511a
12960b6
136b95b
1451baa
153d620
hex3020a

197130 has 16 divisors (see below), whose sum is σ = 473184. Its totient is φ = 52560.

The previous prime is 197123. The next prime is 197137. The reversal of 197130 is 31791.

It is an interprime number because it is at equal distance from previous prime (197123) and next prime (197137).

It is a junction number, because it is equal to n+sod(n) for n = 197097 and 197106.

It is not an unprimeable number, because it can be changed into a prime (197137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 3315.

It is an arithmetic number, because the mean of its divisors is an integer number (29574).

2197130 is an apocalyptic number.

197130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197130 is an abundant number, since it is smaller than the sum of its proper divisors (276054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197130 is a wasteful number, since it uses less digits than its factorization.

197130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 197130 is about 443.9932431918. The cubic root of 197130 is about 58.1992749169.

The spelling of 197130 in words is "one hundred ninety-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6571 13142 19713 32855 39426 65710 98565 197130