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317013 = 3251421
BaseRepresentation
bin1001101011001010101
3121002212020
41031121111
540121023
610443353
72460144
oct1153125
9532766
10317013
111a71a4
12133559
13b13a8
148375b
1563de3
hex4d655

317013 has 8 divisors (see below), whose sum is σ = 425376. Its totient is φ = 210000.

The previous prime is 317011. The next prime is 317021. The reversal of 317013 is 310713.

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

It is not a de Polignac number, because 317013 - 21 = 317011 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 316983 and 317001.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317013.

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, 543 + ... + 963.

It is an arithmetic number, because the mean of its divisors is an integer number (53172).

2317013 is an apocalyptic number.

It is an amenable number.

317013 is a deficient number, since it is larger than the sum of its proper divisors (108363).

317013 is a wasteful number, since it uses less digits than its factorization.

317013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 317013 is about 563.0390750206. The cubic root of 317013 is about 68.1855514723.

Adding to 317013 its reverse (310713), we get a palindrome (627726).

The spelling of 317013 in words is "three hundred seventeen thousand, thirteen".

Divisors: 1 3 251 421 753 1263 105671 317013