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6135149 = 21312879
BaseRepresentation
bin10111011001110101101101
3102112200211202
4113121311231
53032311044
6335255245
7103101506
oct27316555
912480752
106135149
113510479
12207a525
13136a687
14b59bad
15812c4e
hex5d9d6d

6135149 has 4 divisors (see below), whose sum is σ = 6140160. Its totient is φ = 6130140.

The previous prime is 6135133. The next prime is 6135161. The reversal of 6135149 is 9415316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6135149 - 24 = 6135133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6135049) 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, 692 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (1535040).

Almost surely, 26135149 is an apocalyptic number.

It is an amenable number.

6135149 is a deficient number, since it is larger than the sum of its proper divisors (5011).

6135149 is a wasteful number, since it uses less digits than its factorization.

6135149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010.

The product of its digits is 3240, while the sum is 29.

The square root of 6135149 is about 2476.9232931199. The cubic root of 6135149 is about 183.0662863176.

The spelling of 6135149 in words is "six million, one hundred thirty-five thousand, one hundred forty-nine".

Divisors: 1 2131 2879 6135149