Search a number
-
+
305434424 = 23192009437
BaseRepresentation
bin10010001101001…
…000111100111000
3210021201200021002
4102031020330320
51111142400144
650150304132
710366102241
oct2215107470
9707650232
10305434424
11147456449
1286358048
134b381539
142c7c9cc8
151bc3414e
hex12348f38

305434424 has 16 divisors (see below), whose sum is σ = 602831400. Its totient is φ = 144679392.

The previous prime is 305434417. The next prime is 305434429. The reversal of 305434424 is 424434503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305434429) 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, 1004567 + ... + 1004870.

Almost surely, 2305434424 is an apocalyptic number.

It is an amenable number.

305434424 is a deficient number, since it is larger than the sum of its proper divisors (297396976).

305434424 is a wasteful number, since it uses less digits than its factorization.

305434424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009462 (or 2009458 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 305434424 is about 17476.6822938451. The cubic root of 305434424 is about 673.4509877295.

Adding to 305434424 its reverse (424434503), we get a palindrome (729868927).

The spelling of 305434424 in words is "three hundred five million, four hundred thirty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 152 2009437 4018874 8037748 16075496 38179303 76358606 152717212 305434424