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303242345 = 57171274013
BaseRepresentation
bin10010000100110…
…001110001101001
3210010121022021222
4102010301301221
51110112223340
650031311425
710341342320
oct2204616151
9703538258
10303242345
1114619950a
128567b575
134aa94853
142c3b90b7
151b94e8b5
hex12131c69

303242345 has 32 divisors (see below), whose sum is σ = 443916288. Its totient is φ = 194116608.

The previous prime is 303242339. The next prime is 303242351. The reversal of 303242345 is 543242303.

It is an interprime number because it is at equal distance from previous prime (303242339) and next prime (303242351).

It is not a de Polignac number, because 303242345 - 214 = 303225961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73559 + ... + 77571.

It is an arithmetic number, because the mean of its divisors is an integer number (13872384).

Almost surely, 2303242345 is an apocalyptic number.

303242345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

303242345 is a deficient number, since it is larger than the sum of its proper divisors (140673943).

303242345 is a wasteful number, since it uses less digits than its factorization.

303242345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 303242345 is about 17413.8549724063. The cubic root of 303242345 is about 671.8360163284.

Adding to 303242345 its reverse (543242303), we get a palindrome (846484648).

The spelling of 303242345 in words is "three hundred three million, two hundred forty-two thousand, three hundred forty-five".

Divisors: 1 5 7 17 35 85 119 127 595 635 889 2159 4013 4445 10795 15113 20065 28091 68221 75565 140455 341105 477547 509651 2387735 2548255 3567557 8664067 17837785 43320335 60648469 303242345