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304005025 = 5212160201
BaseRepresentation
bin10010000111101…
…011111110100001
3210012001001111101
4102013223332201
51110311130100
650055514401
710351000012
oct2207537641
9705031441
10304005025
1114666a525
1285988a01
134aca0a3c
142c537009
151ba5086a
hex121ebfa1

304005025 has 6 divisors (see below), whose sum is σ = 376966262. Its totient is φ = 243204000.

The previous prime is 304005017. The next prime is 304005047. The reversal of 304005025 is 520500403.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25482304 + 278522721 = 5048^2 + 16689^2 .

It is not a de Polignac number, because 304005025 - 23 = 304005017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304004993 and 304005011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6080076 + ... + 6080125.

Almost surely, 2304005025 is an apocalyptic number.

It is an amenable number.

304005025 is a deficient number, since it is larger than the sum of its proper divisors (72961237).

304005025 is a wasteful number, since it uses less digits than its factorization.

304005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160211 (or 12160206 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 304005025 is about 17435.7398753251. The cubic root of 304005025 is about 672.3987861478.

Adding to 304005025 its reverse (520500403), we get a palindrome (824505428).

The spelling of 304005025 in words is "three hundred four million, five thousand, twenty-five".

Divisors: 1 5 25 12160201 60801005 304005025