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317395 = 51319257
BaseRepresentation
bin1001101011111010011
3121010101101
41031133103
540124040
610445231
72461231
oct1153723
9533341
10317395
111a7511
12133817
13b1610
1483951
156409a
hex4d7d3

317395 has 16 divisors (see below), whose sum is σ = 433440. Its totient is φ = 221184.

The previous prime is 317371. The next prime is 317399. The reversal of 317395 is 593713.

It is a 13-Lehmer number, since φ(317395) divides (317395-1)13.

It is a cyclic number.

It is not a de Polignac number, because 317395 - 25 = 317363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (27090).

2317395 is an apocalyptic number.

317395 is a deficient number, since it is larger than the sum of its proper divisors (116045).

317395 is a wasteful number, since it uses less digits than its factorization.

317395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 2835, while the sum is 28.

The square root of 317395 is about 563.3782033412. The cubic root of 317395 is about 68.2129282944.

The spelling of 317395 in words is "three hundred seventeen thousand, three hundred ninety-five".

Divisors: 1 5 13 19 65 95 247 257 1235 1285 3341 4883 16705 24415 63479 317395