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303040223 = 1499832069
BaseRepresentation
bin10010000100000…
…000011011011111
3210010020001000222
4102010000123133
51110034241343
650023111555
710336541123
oct2204003337
9703201028
10303040223
11146070672
12855a25bb
134aa23855
142c365583
151b90ea68
hex121006df

303040223 has 8 divisors (see below), whose sum is σ = 305532000. Its totient is φ = 300554848.

The previous prime is 303040219. The next prime is 303040229. The reversal of 303040223 is 322040303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 303040223 - 22 = 303040219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303040229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145433 + ... + 147501.

It is an arithmetic number, because the mean of its divisors is an integer number (38191500).

Almost surely, 2303040223 is an apocalyptic number.

303040223 is a deficient number, since it is larger than the sum of its proper divisors (2491777).

303040223 is a wasteful number, since it uses less digits than its factorization.

303040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 303040223 is about 17408.0505226748. The cubic root of 303040223 is about 671.6867154771.

Adding to 303040223 its reverse (322040303), we get a palindrome (625080526).

The spelling of 303040223 in words is "three hundred three million, forty thousand, two hundred twenty-three".

Divisors: 1 149 983 2069 146467 308281 2033827 303040223