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304402423 = 13311674523
BaseRepresentation
bin10010001001001…
…100111111110111
3210012210020121211
4102021030333313
51110411334143
650112222251
710354243423
oct2211147767
9705706554
10304402423
11146911056
1285b3a987
134b0ac8a0
142c5dbb83
151bacd49d
hex1224cff7

304402423 has 16 divisors (see below), whose sum is σ = 340494336. Its totient is φ = 270234720.

The previous prime is 304402421. The next prime is 304402429. The reversal of 304402423 is 324204403.

It is a cyclic number.

It is not a de Polignac number, because 304402423 - 21 = 304402421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304402394 and 304402403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304402421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65040 + ... + 69562.

It is an arithmetic number, because the mean of its divisors is an integer number (21280896).

Almost surely, 2304402423 is an apocalyptic number.

304402423 is a deficient number, since it is larger than the sum of its proper divisors (36091913).

304402423 is a wasteful number, since it uses less digits than its factorization.

304402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 304402423 is about 17447.1322285354. The cubic root of 304402423 is about 672.6916470791.

Adding to 304402423 its reverse (324204403), we get a palindrome (628606826).

The spelling of 304402423 in words is "three hundred four million, four hundred two thousand, four hundred twenty-three".

Divisors: 1 13 31 167 403 2171 4523 5177 58799 67301 140213 755341 1822769 9819433 23415571 304402423