Search a number
-
+
305386394 = 23140912043
BaseRepresentation
bin10010001100111…
…101001110011010
3210021122020101012
4102030331032122
51111134331034
650145253522
710365512225
oct2214751632
9707566335
10305386394
11147423355
12863342a2
134b365711
142c7b65bc
151bc24cce
hex1233d39a

305386394 has 16 divisors (see below), whose sum is σ = 474051840. Its totient is φ = 147394080.

The previous prime is 305386391. The next prime is 305386397. The reversal of 305386394 is 493683503.

305386394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (305386391) and next prime (305386397).

It is not an unprimeable number, because it can be changed into a prime (305386391) 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, 19337 + ... + 31379.

It is an arithmetic number, because the mean of its divisors is an integer number (29628240).

Almost surely, 2305386394 is an apocalyptic number.

305386394 is a deficient number, since it is larger than the sum of its proper divisors (168665446).

305386394 is a wasteful number, since it uses less digits than its factorization.

305386394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 305386394 is about 17475.3081231777. The cubic root of 305386394 is about 673.4156855020.

The spelling of 305386394 in words is "three hundred five million, three hundred eighty-six thousand, three hundred ninety-four".

Divisors: 1 2 31 62 409 818 12043 12679 24086 25358 373333 746666 4925587 9851174 152693197 305386394