Base | Representation |
---|---|
bin | 111111000111010110101 |
3 | 10220001222010 |
4 | 13320322311 |
5 | 1012140044 |
6 | 112154433 |
7 | 23402406 |
oct | 7707265 |
9 | 3801863 |
10 | 2068149 |
11 | 1192916 |
12 | 838a19 |
13 | 575475 |
14 | 3bb9ad |
15 | 2acbb9 |
hex | 1f8eb5 |
2068149 has 4 divisors (see below), whose sum is σ = 2757536. Its totient is φ = 1378764.
The previous prime is 2068147. The next prime is 2068151. The reversal of 2068149 is 9418602.
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.
It is an interprime number because it is at equal distance from previous prime (2068147) and next prime (2068151).
It is not a de Polignac number, because 2068149 - 21 = 2068147 is a prime.
It is a D-number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2068147) 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, 344689 + ... + 344694.
It is an arithmetic number, because the mean of its divisors is an integer number (689384).
22068149 is an apocalyptic number.
It is an amenable number.
2068149 is a deficient number, since it is larger than the sum of its proper divisors (689387).
2068149 is an equidigital number, since it uses as much as digits as its factorization.
2068149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 689386.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 2068149 is about 1438.1060461593. The cubic root of 2068149 is about 127.4071912064.
The spelling of 2068149 in words is "two million, sixty-eight thousand, one hundred forty-nine".
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