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397195 = 51937113
BaseRepresentation
bin1100000111110001011
3202011211221
41200332023
5100202240
612302511
73243001
oct1407613
9664757
10397195
11251467
12171a37
1310ba36
14a4a71
157ca4a
hex60f8b

397195 has 16 divisors (see below), whose sum is σ = 519840. Its totient is φ = 290304.

The previous prime is 397183. The next prime is 397211. The reversal of 397195 is 591793.

It is a 9-Lehmer number, since φ(397195) divides (397195-1)9.

It is a cyclic number.

It is not a de Polignac number, because 397195 - 211 = 395147 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 397195.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3459 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (32490).

2397195 is an apocalyptic number.

397195 is a deficient number, since it is larger than the sum of its proper divisors (122645).

397195 is a wasteful number, since it uses less digits than its factorization.

397195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

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

The square root of 397195 is about 630.2340834960. The cubic root of 397195 is about 73.5079973404.

The spelling of 397195 in words is "three hundred ninety-seven thousand, one hundred ninety-five".

Divisors: 1 5 19 37 95 113 185 565 703 2147 3515 4181 10735 20905 79439 397195