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303242223 = 3195320039
BaseRepresentation
bin10010000100110…
…001101111101111
3210010121022010110
4102010301233233
51110112222343
650031311103
710341342054
oct2204615757
9703538113
10303242223
11146199409
128567b493
134aa9478b
142c3b902b
151b94e833
hex12131bef

303242223 has 8 divisors (see below), whose sum is σ = 425603200. Its totient is φ = 191521368.

The previous prime is 303242221. The next prime is 303242249. The reversal of 303242223 is 322242303.

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

It is not a de Polignac number, because 303242223 - 21 = 303242221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 303242223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303242221) 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, 2659963 + ... + 2660076.

It is an arithmetic number, because the mean of its divisors is an integer number (53200400).

Almost surely, 2303242223 is an apocalyptic number.

303242223 is a deficient number, since it is larger than the sum of its proper divisors (122360977).

303242223 is a wasteful number, since it uses less digits than its factorization.

303242223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320061.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 303242223 is about 17413.8514694481. The cubic root of 303242223 is about 671.8359262310.

Adding to 303242223 its reverse (322242303), we get a palindrome (625484526).

The spelling of 303242223 in words is "three hundred three million, two hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 3 19 57 5320039 15960117 101080741 303242223