Search a number
-
+
6138426 = 237220879
BaseRepresentation
bin10111011010101000111010
3102112212100010
4113122220322
53032412201
6335322350
7103114200
oct27325072
912485303
106138426
113512988
1220803b6
13136c008
14b5b070
15813bd6
hex5daa3a

6138426 has 24 divisors (see below), whose sum is σ = 14281920. Its totient is φ = 1753752.

The previous prime is 6138413. The next prime is 6138427. The reversal of 6138426 is 6248316.

It is a junction number, because it is equal to n+sod(n) for n = 6138393 and 6138402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10146 + ... + 10733.

It is an arithmetic number, because the mean of its divisors is an integer number (595080).

Almost surely, 26138426 is an apocalyptic number.

6138426 is an abundant number, since it is smaller than the sum of its proper divisors (8143494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6138426 is a wasteful number, since it uses less digits than its factorization.

6138426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20898 (or 20891 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 6138426 is about 2477.5847109635. The cubic root of 6138426 is about 183.0988745748.

The spelling of 6138426 in words is "six million, one hundred thirty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 20879 41758 62637 125274 146153 292306 438459 876918 1023071 2046142 3069213 6138426