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3000309 = 313194049
BaseRepresentation
bin1011011100011111110101
312122102122120
423130133311
51232002214
6144150153
734334154
oct13343765
95572576
103000309
11176a1a4
121008359
13810840
1458159b
153e3ea9
hex2dc7f5

3000309 has 16 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 1748736.

The previous prime is 3000301. The next prime is 3000317. The reversal of 3000309 is 9030003.

It is an interprime number because it is at equal distance from previous prime (3000301) and next prime (3000317).

It is not a de Polignac number, because 3000309 - 23 = 3000301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 23000309 is an apocalyptic number.

3000309 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3000309 is a deficient number, since it is larger than the sum of its proper divisors (1535691).

3000309 is a wasteful number, since it uses less digits than its factorization.

3000309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 3000309 is about 1732.1400058887. The cubic root of 3000309 is about 144.2299085843.

The spelling of 3000309 in words is "three million, three hundred nine", and thus it is an aban number.

Divisors: 1 3 13 19 39 57 247 741 4049 12147 52637 76931 157911 230793 1000103 3000309