Search a number
-
+
6138228 = 223511519
BaseRepresentation
bin10111011010100101110100
3102112212001210
4113122211310
53032410403
6335321420
7103113465
oct27324564
912485053
106138228
113512818
122080270
13136bbb5
14b5ad6c
15813b03
hex5da974

6138228 has 12 divisors (see below), whose sum is σ = 14322560. Its totient is φ = 2046072.

The previous prime is 6138211. The next prime is 6138239. The reversal of 6138228 is 8228316.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 6138195 and 6138204.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 255748 + ... + 255771.

Almost surely, 26138228 is an apocalyptic number.

It is an amenable number.

6138228 is an abundant number, since it is smaller than the sum of its proper divisors (8184332).

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

6138228 is a wasteful number, since it uses less digits than its factorization.

6138228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511526 (or 511524 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 6138228 is about 2477.5447523708. The cubic root of 6138228 is about 183.0969058852.

The spelling of 6138228 in words is "six million, one hundred thirty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 511519 1023038 1534557 2046076 3069114 6138228