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197395 = 5113797
BaseRepresentation
bin110000001100010011
3101000202221
4300030103
522304040
64121511
71451332
oct601423
9330687
10197395
11125340
1296297
136bb03
1451d19
153d74a
hex30313

197395 has 16 divisors (see below), whose sum is σ = 268128. Its totient is φ = 138240.

The previous prime is 197389. The next prime is 197419. The reversal of 197395 is 593791.

It is not a de Polignac number, because 197395 - 215 = 164627 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197395.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (16758).

2197395 is an apocalyptic number.

197395 is a deficient number, since it is larger than the sum of its proper divisors (70733).

197395 is a wasteful number, since it uses less digits than its factorization.

197395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150.

The product of its digits is 8505, while the sum is 34.

The square root of 197395 is about 444.2915709306. The cubic root of 197395 is about 58.2253421519.

It can be divided in two parts, 197 and 395, that multiplied together give a triangular number (77815 = T394).

The spelling of 197395 in words is "one hundred ninety-seven thousand, three hundred ninety-five".

Divisors: 1 5 11 37 55 97 185 407 485 1067 2035 3589 5335 17945 39479 197395