Search a number
-
+
6918028 = 2213133039
BaseRepresentation
bin11010011000111110001100
3111000110202021
4122120332030
53232334103
6404135524
7112542115
oct32307614
914013667
106918028
1139a5687
1223975a4
131582b10
14cc120c
15919bbd
hex698f8c

6918028 has 12 divisors (see below), whose sum is σ = 13037920. Its totient is φ = 3192912.

The previous prime is 6918019. The next prime is 6918029. The reversal of 6918028 is 8208196.

It is a super-2 number, since 2×69180282 = 95718222817568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6917984 and 6918002.

It is not an unprimeable number, because it can be changed into a prime (6918029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66468 + ... + 66571.

Almost surely, 26918028 is an apocalyptic number.

It is an amenable number.

6918028 is a deficient number, since it is larger than the sum of its proper divisors (6119892).

6918028 is a wasteful number, since it uses less digits than its factorization.

6918028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133056 (or 133054 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 6918028 is about 2630.2144399269. The cubic root of 6918028 is about 190.5434854561.

The spelling of 6918028 in words is "six million, nine hundred eighteen thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 133039 266078 532156 1729507 3459014 6918028