Search a number
-
+
317741140 = 22588717911
BaseRepresentation
bin10010111100000…
…101100001010100
3211010212220220101
4102330011201110
51122320204030
651310143444
710605520003
oct2274054124
9733786811
10317741140
111533a1692
128a4b1b84
1350aa0012
14302b0c3a
151cd657ca
hex12f05854

317741140 has 24 divisors (see below), whose sum is σ = 668045952. Its totient is φ = 126946080.

The previous prime is 317741119. The next prime is 317741141. The reversal of 317741140 is 41147713.

It is a junction number, because it is equal to n+sod(n) for n = 317741099 and 317741108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317741141) 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, 8785 + ... + 26695.

It is an arithmetic number, because the mean of its divisors is an integer number (27835248).

Almost surely, 2317741140 is an apocalyptic number.

It is an amenable number.

317741140 is an abundant number, since it is smaller than the sum of its proper divisors (350304812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317741140 is a wasteful number, since it uses less digits than its factorization.

317741140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18807 (or 18805 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 317741140 is about 17825.2949484714. The cubic root of 317741140 is about 682.3771617181.

Adding to 317741140 its reverse (41147713), we get a palindrome (358888853).

The spelling of 317741140 in words is "three hundred seventeen million, seven hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 887 1774 3548 4435 8870 17740 17911 35822 71644 89555 179110 358220 15887057 31774114 63548228 79435285 158870570 317741140