Search a number
-
+
304331109 = 3136774209
BaseRepresentation
bin10010001000111…
…011100101100101
3210012122121210120
4102020323211211
51110402043414
650110512153
710353525465
oct2210734545
9705577716
10304331109
11146872515
1285b05659
134b0862a4
142c5bdba5
151bab72a9
hex1223b965

304331109 has 8 divisors (see below), whose sum is σ = 406077120. Its totient is φ = 202736256.

The previous prime is 304331107. The next prime is 304331117. The reversal of 304331109 is 901133403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 304331109 - 21 = 304331107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304331107) 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, 33004 + ... + 41205.

It is an arithmetic number, because the mean of its divisors is an integer number (50759640).

Almost surely, 2304331109 is an apocalyptic number.

It is an amenable number.

304331109 is a deficient number, since it is larger than the sum of its proper divisors (101746011).

304331109 is a wasteful number, since it uses less digits than its factorization.

304331109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75579.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 304331109 is about 17445.0883918655. The cubic root of 304331109 is about 672.6391112743.

The spelling of 304331109 in words is "three hundred four million, three hundred thirty-one thousand, one hundred nine".

Divisors: 1 3 1367 4101 74209 222627 101443703 304331109