Search a number
-
+
6228149 = 10758207
BaseRepresentation
bin10111110000100010110101
3102201102102012
4113300202311
53043300044
6341254005
7103636604
oct27604265
912642365
106228149
113574334
122104305
1313a0ac5
14b81a3b
1583059e
hex5f08b5

6228149 has 4 divisors (see below), whose sum is σ = 6286464. Its totient is φ = 6169836.

The previous prime is 6228139. The next prime is 6228203. The reversal of 6228149 is 9418226.

6228149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 9418226 = 24709113.

It is a cyclic number.

It is not a de Polignac number, because 6228149 - 216 = 6162613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228139) 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, 28997 + ... + 29210.

It is an arithmetic number, because the mean of its divisors is an integer number (1571616).

Almost surely, 26228149 is an apocalyptic number.

It is an amenable number.

6228149 is a deficient number, since it is larger than the sum of its proper divisors (58315).

6228149 is a wasteful number, since it uses less digits than its factorization.

6228149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58314.

The product of its digits is 6912, while the sum is 32.

The square root of 6228149 is about 2495.6259735786. The cubic root of 6228149 is about 183.9866582166.

The spelling of 6228149 in words is "six million, two hundred twenty-eight thousand, one hundred forty-nine".

Divisors: 1 107 58207 6228149