Search a number
-
+
317904046 = 2172550007
BaseRepresentation
bin10010111100101…
…101010010101110
3211011012012100221
4102330231102232
51122340412141
651313441554
710610065645
oct2274552256
9734165327
10317904046
111534a3019
128a5702ba
1350b29205
143031435c
151cd98bd1
hex12f2d4ae

317904046 has 12 divisors (see below), whose sum is σ = 506557368. Its totient is φ = 149601632.

The previous prime is 317904023. The next prime is 317904047. The reversal of 317904046 is 640409713.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317904047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274426 + ... + 275581.

It is an arithmetic number, because the mean of its divisors is an integer number (42213114).

Almost surely, 2317904046 is an apocalyptic number.

317904046 is a deficient number, since it is larger than the sum of its proper divisors (188653322).

317904046 is a wasteful number, since it uses less digits than its factorization.

317904046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550043 (or 550026 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 317904046 is about 17829.8638805797. The cubic root of 317904046 is about 682.4937601347.

The spelling of 317904046 in words is "three hundred seventeen million, nine hundred four thousand, forty-six".

Divisors: 1 2 17 34 289 578 550007 1100014 9350119 18700238 158952023 317904046