Base | Representation |
---|---|
bin | 11001011100101001100101 |
3 | 110112220211012 |
4 | 121130221211 |
5 | 3201432244 |
6 | 354552005 |
7 | 110462555 |
oct | 31345145 |
9 | 13486735 |
10 | 6670949 |
11 | 3846a8a |
12 | 2298605 |
13 | 14c750c |
14 | c59165 |
15 | 8bb89e |
hex | 65ca65 |
6670949 has 6 divisors (see below), whose sum is σ = 6763314. Its totient is φ = 6579200.
The previous prime is 6670933. The next prime is 6670967. The reversal of 6670949 is 9490766.
It can be written as a sum of positive squares in 3 ways, for example, as 6340324 + 330625 = 2518^2 + 575^2 .
It is not a de Polignac number, because 6670949 - 24 = 6670933 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 (6670649) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25829 + ... + 26085.
It is an arithmetic number, because the mean of its divisors is an integer number (1127219).
Almost surely, 26670949 is an apocalyptic number.
It is an amenable number.
6670949 is a deficient number, since it is larger than the sum of its proper divisors (92365).
6670949 is an equidigital number, since it uses as much as digits as its factorization.
6670949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615 (or 358 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 41.
The square root of 6670949 is about 2582.8180346281. The cubic root of 6670949 is about 188.2474954503.
The spelling of 6670949 in words is "six million, six hundred seventy thousand, nine hundred forty-nine".
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