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5230309 = 72173617
BaseRepresentation
bin10011111100111011100101
3100211201122011
4103330323211
52314332214
6304034221
762312500
oct23747345
910751564
105230309
112a52677
121902971
131111876
149a2137
156d4ac4
hex4fcee5

5230309 has 12 divisors (see below), whose sum is σ = 6129324. Its totient is φ = 4449984.

The previous prime is 5230297. The next prime is 5230321. The reversal of 5230309 is 9030325.

It is an interprime number because it is at equal distance from previous prime (5230297) and next prime (5230321).

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 2965284 = 1505^2 + 1722^2 .

It is not a de Polignac number, because 5230309 - 29 = 5229797 is a prime.

It is a super-2 number, since 2×52303092 = 54712264470962, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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 5230309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5230349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8169 + ... + 8785.

It is an arithmetic number, because the mean of its divisors is an integer number (510777).

Almost surely, 25230309 is an apocalyptic number.

It is an amenable number.

5230309 is a deficient number, since it is larger than the sum of its proper divisors (899015).

5230309 is a wasteful number, since it uses less digits than its factorization.

5230309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 5230309 is about 2286.9868823410. The cubic root of 5230309 is about 173.5837697279.

The spelling of 5230309 in words is "five million, two hundred thirty thousand, three hundred nine".

Divisors: 1 7 49 173 617 1211 4319 8477 30233 106741 747187 5230309