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3066478389 = 321333297873
BaseRepresentation
bin1011011011000110…
…1011111100110101
321220201010020112200
42312301223330311
522240004302024
61224141135113
7135663431142
oct26661537465
97821106480
103066478389
111333a46667
12716b5a499
1339b3bc170
1421138d3c9
1512e3262c9
hexb6c6bf35

3066478389 has 24 divisors (see below), whose sum is σ = 4772116440. Its totient is φ = 1886257152.

The previous prime is 3066478351. The next prime is 3066478423. The reversal of 3066478389 is 9838746603.

3066478389 is a `hidden beast` number, since 30 + 66 + 478 + 3 + 89 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 80730225 + 2985748164 = 8985^2 + 54642^2 .

It is not a de Polignac number, because 3066478389 - 212 = 3066474293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3066478319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385557 + ... + 393429.

It is an arithmetic number, because the mean of its divisors is an integer number (198838185).

Almost surely, 23066478389 is an apocalyptic number.

3066478389 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3066478389 is a deficient number, since it is larger than the sum of its proper divisors (1705638051).

3066478389 is a wasteful number, since it uses less digits than its factorization.

3066478389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221 (or 11218 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 3066478389 is about 55375.7924457971. The cubic root of 3066478389 is about 1452.8249941940.

The spelling of 3066478389 in words is "three billion, sixty-six million, four hundred seventy-eight thousand, three hundred eighty-nine".

Divisors: 1 3 9 13 39 117 3329 7873 9987 23619 29961 43277 70857 102349 129831 307047 389493 921141 26209217 78627651 235882953 340719821 1022159463 3066478389