Search a number
-
+
6412869 = 326111681
BaseRepresentation
bin11000011101101001000101
3110001210210200
4120131221011
53120202434
6345241113
7105336261
oct30355105
913053720
106412869
1136900a1
122193199
131436bc8
14bcd0a1
1586a199
hex61da45

6412869 has 12 divisors (see below), whose sum is σ = 9415692. Its totient is φ = 4204800.

The previous prime is 6412807. The next prime is 6412871. The reversal of 6412869 is 9682146.

6412869 is a `hidden beast` number, since 641 + 2 + 8 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1404225 + 5008644 = 1185^2 + 2238^2 .

It is not a de Polignac number, because 6412869 - 28 = 6412613 is a prime.

It is a super-2 number, since 2×64128692 = 82249777622322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5292 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (784641).

Almost surely, 26412869 is an apocalyptic number.

It is an amenable number.

6412869 is a deficient number, since it is larger than the sum of its proper divisors (3002823).

6412869 is a wasteful number, since it uses less digits than its factorization.

6412869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748 (or 11745 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6412869 is about 2532.3643102840. The cubic root of 6412869 is about 185.7879129590.

The spelling of 6412869 in words is "six million, four hundred twelve thousand, eight hundred sixty-nine".

Divisors: 1 3 9 61 183 549 11681 35043 105129 712541 2137623 6412869