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304420425 = 35213929201
BaseRepresentation
bin10010001001010…
…001011001001001
3210012211011022120
4102021101121021
51110412423200
650112441453
710354350051
oct2211213111
9705734276
10304420425
11146923631
1285b49289
134b0b7b3a
142c604561
151bad39a0
hex12251649

304420425 has 24 divisors (see below), whose sum is σ = 506946720. Its totient is φ = 161184000.

The previous prime is 304420421. The next prime is 304420429. The reversal of 304420425 is 524024403.

It is an interprime number because it is at equal distance from previous prime (304420421) and next prime (304420429).

It is not a de Polignac number, because 304420425 - 22 = 304420421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 304420395 and 304420404.

It is not an unprimeable number, because it can be changed into a prime (304420421) 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 23 ways as a sum of consecutive naturals, for example, 4176 + ... + 25025.

It is an arithmetic number, because the mean of its divisors is an integer number (21122780).

Almost surely, 2304420425 is an apocalyptic number.

It is an amenable number.

304420425 is a deficient number, since it is larger than the sum of its proper divisors (202526295).

304420425 is a wasteful number, since it uses less digits than its factorization.

304420425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29353 (or 29348 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 304420425 is about 17447.6481223115. The cubic root of 304420425 is about 672.7049075477.

Adding to 304420425 its reverse (524024403), we get a palindrome (828444828).

The spelling of 304420425 in words is "three hundred four million, four hundred twenty thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 139 417 695 2085 3475 10425 29201 87603 146005 438015 730025 2190075 4058939 12176817 20294695 60884085 101473475 304420425