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304232141 = 2503121547
BaseRepresentation
bin10010001000100…
…011011011001101
3210012110121001002
4102020203123031
51110340412031
650104430045
710352634113
oct2210433315
9705417032
10304232141
11146805124
1285a78325
134b050225
142c595ab3
151ba97ccb
hex122236cd

304232141 has 4 divisors (see below), whose sum is σ = 304356192. Its totient is φ = 304108092.

The previous prime is 304232113. The next prime is 304232179. The reversal of 304232141 is 141232403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304232141 - 214 = 304215757 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304232041) 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, 58271 + ... + 63276.

It is an arithmetic number, because the mean of its divisors is an integer number (76089048).

Almost surely, 2304232141 is an apocalyptic number.

It is an amenable number.

304232141 is a deficient number, since it is larger than the sum of its proper divisors (124051).

304232141 is a wasteful number, since it uses less digits than its factorization.

304232141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124050.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304232141 is about 17442.2516035058. The cubic root of 304232141 is about 672.5661896406.

Adding to 304232141 its reverse (141232403), we get a palindrome (445464544).

The spelling of 304232141 in words is "three hundred four million, two hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 2503 121547 304232141