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3020323309 = 171091162847
BaseRepresentation
bin1011010000000110…
…0111100111101101
321210111021022200021
42310001213213231
522141200321214
61215412002141
7134563216213
oct26401474755
97714238607
103020323309
11130a991673
12703600351
1339197bb73
142091b6cb3
1512a25a924
hexb40679ed

3020323309 has 8 divisors (see below), whose sum is σ = 3200940288. Its totient is φ = 2840034240.

The previous prime is 3020323253. The next prime is 3020323331. The reversal of 3020323309 is 9033230203.

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 3020323309 - 215 = 3020290541 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 (3020323379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62877 + ... + 99970.

It is an arithmetic number, because the mean of its divisors is an integer number (400117536).

Almost surely, 23020323309 is an apocalyptic number.

It is an amenable number.

3020323309 is a deficient number, since it is larger than the sum of its proper divisors (180616979).

3020323309 is a wasteful number, since it uses less digits than its factorization.

3020323309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163955.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 3020323309 is about 54957.4681822225. The cubic root of 3020323309 is about 1445.4990528095.

The spelling of 3020323309 in words is "three billion, twenty million, three hundred twenty-three thousand, three hundred nine".

Divisors: 1 17 1091 18547 162847 2768399 177666077 3020323309