Base | Representation |
---|---|
bin | 11001011101101011001101 |
3 | 110120010120202 |
4 | 121131223031 |
5 | 3202101044 |
6 | 355023245 |
7 | 110511035 |
oct | 31355315 |
9 | 13503522 |
10 | 6675149 |
11 | 384a158 |
12 | 229ab25 |
13 | 14c93c0 |
14 | c5a8c5 |
15 | 8bcc4e |
hex | 65dacd |
6675149 has 4 divisors (see below), whose sum is σ = 7188636. Its totient is φ = 6161664.
The previous prime is 6675131. The next prime is 6675161. The reversal of 6675149 is 9415766.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9415766 = 2 ⋅4707883.
It can be written as a sum of positive squares in 2 ways, for example, as 1755625 + 4919524 = 1325^2 + 2218^2 .
It is a cyclic number.
It is not a de Polignac number, because 6675149 - 220 = 5626573 is a prime.
It is a super-2 number, since 2×66751492 = 89115228344402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6675649) 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, 256724 + ... + 256749.
It is an arithmetic number, because the mean of its divisors is an integer number (1797159).
Almost surely, 26675149 is an apocalyptic number.
It is an amenable number.
6675149 is a deficient number, since it is larger than the sum of its proper divisors (513487).
6675149 is a wasteful number, since it uses less digits than its factorization.
6675149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513486.
The product of its digits is 45360, while the sum is 38.
The square root of 6675149 is about 2583.6309721011. The cubic root of 6675149 is about 188.2869937591.
The spelling of 6675149 in words is "six million, six hundred seventy-five thousand, one hundred forty-nine".
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