Search a number
-
+
314430305 = 5721283389
BaseRepresentation
bin10010101111011…
…101001101100001
3210220122201021212
4102233131031201
51120443232210
651111155505
710535420300
oct2257351541
9726581255
10314430305
11151540162
1289375b95
13501b1047
142da8c437
151c90e805
hex12bdd361

314430305 has 12 divisors (see below), whose sum is σ = 438919380. Its totient is φ = 215609184.

The previous prime is 314430257. The next prime is 314430323. The reversal of 314430305 is 503034413.

It can be written as a sum of positive squares in 2 ways, for example, as 143448529 + 170981776 = 11977^2 + 13076^2 .

It is not a de Polignac number, because 314430305 - 218 = 314168161 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641450 + ... + 641939.

It is an arithmetic number, because the mean of its divisors is an integer number (36576615).

Almost surely, 2314430305 is an apocalyptic number.

314430305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

314430305 is a deficient number, since it is larger than the sum of its proper divisors (124489075).

314430305 is a wasteful number, since it uses less digits than its factorization.

314430305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283408 (or 1283401 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 314430305 is about 17732.1827477612. The cubic root of 314430305 is about 679.9987781120.

Adding to 314430305 its reverse (503034413), we get a palindrome (817464718).

The spelling of 314430305 in words is "three hundred fourteen million, four hundred thirty thousand, three hundred five".

Divisors: 1 5 7 35 49 245 1283389 6416945 8983723 44918615 62886061 314430305