Base | Representation |
---|---|
bin | 11010100000110001101001 |
3 | 111002002121011 |
4 | 122200301221 |
5 | 3234344433 |
6 | 404543521 |
7 | 113034241 |
oct | 32406151 |
9 | 14062534 |
10 | 6949993 |
11 | 3a176a6 |
12 | 23b1ba1 |
13 | 159452b |
14 | cccb21 |
15 | 9243cd |
hex | 6a0c69 |
6949993 has 2 divisors, whose sum is σ = 6949994. Its totient is φ = 6949992.
The previous prime is 6949981. The next prime is 6950057. The reversal of 6949993 is 3999496.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6822544 + 127449 = 2612^2 + 357^2 .
It is a cyclic number.
It is not a de Polignac number, because 6949993 - 213 = 6941801 is a prime.
6949993 is a lucky number.
It is a nialpdrome in base 14.
It is not a weakly prime, because it can be changed into another prime (6949793) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474996 + 3474997.
It is an arithmetic number, because the mean of its divisors is an integer number (3474997).
Almost surely, 26949993 is an apocalyptic number.
It is an amenable number.
6949993 is a deficient number, since it is larger than the sum of its proper divisors (1).
6949993 is an equidigital number, since it uses as much as digits as its factorization.
6949993 is an evil number, because the sum of its binary digits is even.
The product of its digits is 472392, while the sum is 49.
The square root of 6949993 is about 2636.2839376668. The cubic root of 6949993 is about 190.8365056500.
The spelling of 6949993 in words is "six million, nine hundred forty-nine thousand, nine hundred ninety-three".
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