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197385 = 3513159
BaseRepresentation
bin110000001100001001
3101000202120
4300030021
522304020
64121453
71451316
oct601411
9330676
10197385
11125331
1296289
136bac6
1451d0d
153d740
hex30309

197385 has 8 divisors (see below), whose sum is σ = 315840. Its totient is φ = 105264.

The previous prime is 197383. The next prime is 197389. The reversal of 197385 is 583791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197385 - 21 = 197383 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197385.

It is not an unprimeable number, because it can be changed into a prime (197381) 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, 6565 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (39480).

2197385 is an apocalyptic number.

197385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197385 is a deficient number, since it is larger than the sum of its proper divisors (118455).

197385 is a wasteful number, since it uses less digits than its factorization.

197385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13167.

The product of its digits is 7560, while the sum is 33.

The square root of 197385 is about 444.2803169171. The cubic root of 197385 is about 58.2243589063.

The spelling of 197385 in words is "one hundred ninety-seven thousand, three hundred eighty-five".

Divisors: 1 3 5 15 13159 39477 65795 197385