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317091 = 3195563
BaseRepresentation
bin1001101011010100011
3121002222010
41031122203
540121331
610444003
72460315
oct1153243
9532863
10317091
111a7265
12133603
13b1438
14837b5
1563e46
hex4d6a3

317091 has 8 divisors (see below), whose sum is σ = 445120. Its totient is φ = 200232.

The previous prime is 317089. The next prime is 317123. The reversal of 317091 is 190713.

317091 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 317091 - 21 = 317089 is a prime.

It is a Duffinian number.

317091 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317091.

It is not an unprimeable number, because it can be changed into a prime (317011) 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, 2725 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (55640).

2317091 is an apocalyptic number.

317091 is a deficient number, since it is larger than the sum of its proper divisors (128029).

317091 is a wasteful number, since it uses less digits than its factorization.

317091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 317091 is about 563.1083377113. The cubic root of 317091 is about 68.1911432902.

The spelling of 317091 in words is "three hundred seventeen thousand, ninety-one".

Divisors: 1 3 19 57 5563 16689 105697 317091