Base | Representation |
---|---|
bin | 11110111010111111011101 |
3 | 120020211021100 |
4 | 132322333131 |
5 | 4033342244 |
6 | 445423313 |
7 | 125620335 |
oct | 36727735 |
9 | 16224240 |
10 | 8105949 |
11 | 4637135 |
12 | 286ab39 |
13 | 18aa727 |
14 | 11100c5 |
15 | aa1b69 |
hex | 7bafdd |
8105949 has 12 divisors (see below), whose sum is σ = 11958336. Its totient is φ = 5288712.
The previous prime is 8105941. The next prime is 8105983. The reversal of 8105949 is 9495018.
It is not a de Polignac number, because 8105949 - 23 = 8105941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8105941) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9159 + ... + 10004.
It is an arithmetic number, because the mean of its divisors is an integer number (996528).
Almost surely, 28105949 is an apocalyptic number.
It is an amenable number.
8105949 is a deficient number, since it is larger than the sum of its proper divisors (3852387).
8105949 is a wasteful number, since it uses less digits than its factorization.
8105949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19216 (or 19213 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The square root of 8105949 is about 2847.0948350907. The cubic root of 8105949 is about 200.8790391241.
The spelling of 8105949 in words is "eight million, one hundred five thousand, nine hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •