Search a number
-
+
317351492 = 22531496941
BaseRepresentation
bin10010111010100…
…110011001000100
3211010011010101222
4102322212121010
51122220221432
651253535512
710602305003
oct2272463104
9733133358
10317351492
11153155967
128a344598
1350994863
143020cc3a
151ccda112
hex12ea6644

317351492 has 12 divisors (see below), whose sum is σ = 565844076. Its totient is φ = 155681760.

The previous prime is 317351491. The next prime is 317351519. The reversal of 317351492 is 294153713.

It can be written as a sum of positive squares in 2 ways, for example, as 104366656 + 212984836 = 10216^2 + 14594^2 .

It is not an unprimeable number, because it can be changed into a prime (317351491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748259 + ... + 748682.

It is an arithmetic number, because the mean of its divisors is an integer number (47153673).

Almost surely, 2317351492 is an apocalyptic number.

It is an amenable number.

317351492 is a deficient number, since it is larger than the sum of its proper divisors (248492584).

317351492 is a wasteful number, since it uses less digits than its factorization.

317351492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496998 (or 1496996 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 317351492 is about 17814.3619588241. The cubic root of 317351492 is about 682.0981131224.

The spelling of 317351492 in words is "three hundred seventeen million, three hundred fifty-one thousand, four hundred ninety-two".

Divisors: 1 2 4 53 106 212 1496941 2993882 5987764 79337873 158675746 317351492