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197238 = 2371463
BaseRepresentation
bin110000001001110110
3101000120010
4300021312
522302423
64121050
71451016
oct601166
9330503
10197238
11125208
1296186
136ba12
1451c46
153d693
hex30276

197238 has 16 divisors (see below), whose sum is σ = 400896. Its totient is φ = 64680.

The previous prime is 197233. The next prime is 197243. The reversal of 197238 is 832791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (197233) and next prime (197243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197233) by changing a digit.

197238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 657.

It is an arithmetic number, because the mean of its divisors is an integer number (25056).

2197238 is an apocalyptic number.

197238 is an abundant number, since it is smaller than the sum of its proper divisors (203658).

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

197238 is a wasteful number, since it uses less digits than its factorization.

197238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539.

The product of its digits is 3024, while the sum is 30.

The square root of 197238 is about 444.1148500107. The cubic root of 197238 is about 58.2099013633.

It can be divided in two parts, 197 and 238, that added together give a triangular number (435 = T29).

The spelling of 197238 in words is "one hundred ninety-seven thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 71 142 213 426 463 926 1389 2778 32873 65746 98619 197238