Search a number
-
+
6127989 = 37241687
BaseRepresentation
bin10111011000000101110101
3102112100000120
4113120011311
53032043424
6335202153
7103041600
oct27300565
912470016
106127989
11350605a
122076359
13136733a
14b57337
15810a79
hex5d8175

6127989 has 12 divisors (see below), whose sum is σ = 9504864. Its totient is φ = 3501624.

The previous prime is 6127969. The next prime is 6127993. The reversal of 6127989 is 9897216.

It is not a de Polignac number, because 6127989 - 28 = 6127733 is a prime.

It is a Curzon number.

6127989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6127989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6127909) 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, 20697 + ... + 20990.

It is an arithmetic number, because the mean of its divisors is an integer number (792072).

Almost surely, 26127989 is an apocalyptic number.

It is an amenable number.

6127989 is a deficient number, since it is larger than the sum of its proper divisors (3376875).

6127989 is a wasteful number, since it uses less digits than its factorization.

6127989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41704 (or 41697 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 6127989 is about 2475.4775296900. The cubic root of 6127989 is about 182.9950430142.

The spelling of 6127989 in words is "six million, one hundred twenty-seven thousand, nine hundred eighty-nine".

Divisors: 1 3 7 21 49 147 41687 125061 291809 875427 2042663 6127989