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304130141 = 7377911497
BaseRepresentation
bin10010001000001…
…010100001011101
3210012021102010022
4102020022201131
51110324131031
650102321525
710352030540
oct2210124135
9705242108
10304130141
11146745527
1285a292a5
134b015983
142c56a857
151ba7797b
hex1220a85d

304130141 has 8 divisors (see below), whose sum is σ = 347699520. Its totient is φ = 260591328.

The previous prime is 304130111. The next prime is 304130147. The reversal of 304130141 is 141031403.

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

It is a cyclic number.

It is not a de Polignac number, because 304130141 - 210 = 304129117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304130147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20705 + ... + 32201.

It is an arithmetic number, because the mean of its divisors is an integer number (43462440).

Almost surely, 2304130141 is an apocalyptic number.

It is an amenable number.

304130141 is a deficient number, since it is larger than the sum of its proper divisors (43569379).

304130141 is a wasteful number, since it uses less digits than its factorization.

304130141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15283.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 304130141 is about 17439.3274239576. The cubic root of 304130141 is about 672.4910174171.

Adding to 304130141 its reverse (141031403), we get a palindrome (445161544).

The spelling of 304130141 in words is "three hundred four million, one hundred thirty thousand, one hundred forty-one".

Divisors: 1 7 3779 11497 26453 80479 43447163 304130141