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303112025 = 5212124481
BaseRepresentation
bin10010000100010…
…001111101011001
3210010100200112022
4102010101331121
51110044041100
650024424225
710340260346
oct2204217531
9703320468
10303112025
1114610a607
1285618075
134aa4a438
142c3837cd
151b925e85
hex12111f59

303112025 has 6 divisors (see below), whose sum is σ = 375858942. Its totient is φ = 242489600.

The previous prime is 303112003. The next prime is 303112027. The reversal of 303112025 is 520211303.

It can be written as a sum of positive squares in 3 ways, for example, as 77721856 + 225390169 = 8816^2 + 15013^2 .

It is not a de Polignac number, because 303112025 - 212 = 303107929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303111994 and 303112012.

It is not an unprimeable number, because it can be changed into a prime (303112027) 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 5 ways as a sum of consecutive naturals, for example, 6062216 + ... + 6062265.

It is an arithmetic number, because the mean of its divisors is an integer number (62643157).

Almost surely, 2303112025 is an apocalyptic number.

It is an amenable number.

303112025 is a deficient number, since it is larger than the sum of its proper divisors (72746917).

303112025 is a wasteful number, since it uses less digits than its factorization.

303112025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124491 (or 12124486 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 303112025 is about 17410.1127222083. The cubic root of 303112025 is about 671.7397608457.

Adding to 303112025 its reverse (520211303), we get a palindrome (823323328).

The spelling of 303112025 in words is "three hundred three million, one hundred twelve thousand, twenty-five".

Divisors: 1 5 25 12124481 60622405 303112025