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3066440389 = 4167216661
BaseRepresentation
bin1011011011000110…
…0010101011000101
321220201001022102021
42312301202223011
522240002043024
61224140243141
7135663212305
oct26661425305
97821038367
103066440389
111333a20061
12716b404b1
1339b3a7a8c
1421137d605
1512e319de4
hexb6c62ac5

3066440389 has 12 divisors (see below), whose sum is σ = 3189006828. Its totient is φ = 2946820800.

The previous prime is 3066440357. The next prime is 3066440417. The reversal of 3066440389 is 9830446603.

3066440389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 700396225 + 2366044164 = 26465^2 + 48642^2 .

It is not a de Polignac number, because 3066440389 - 25 = 3066440357 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 (3066440789) 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, 175719 + ... + 192379.

It is an arithmetic number, because the mean of its divisors is an integer number (265750569).

Almost surely, 23066440389 is an apocalyptic number.

It is an amenable number.

3066440389 is a deficient number, since it is larger than the sum of its proper divisors (122566439).

3066440389 is an equidigital number, since it uses as much as digits as its factorization.

3066440389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16836 (or 16769 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 3066440389 is about 55375.4493345201. The cubic root of 3066440389 is about 1452.8189930019.

The spelling of 3066440389 in words is "three billion, sixty-six million, four hundred forty thousand, three hundred eighty-nine".

Divisors: 1 41 67 2747 4489 16661 184049 683101 1116287 45767767 74791229 3066440389