Base | Representation |
---|---|
bin | 1011011000000011011101 |
3 | 12121111200111 |
4 | 23120003131 |
5 | 1230411414 |
6 | 143530021 |
7 | 34230124 |
oct | 13300335 |
9 | 5544614 |
10 | 2982109 |
11 | 1757559 |
12 | bb9911 |
13 | 805480 |
14 | 578abb |
15 | 3dd8c4 |
hex | 2d80dd |
2982109 has 4 divisors (see below), whose sum is σ = 3211516. Its totient is φ = 2752704.
The previous prime is 2982097. The next prime is 2982121. The reversal of 2982109 is 9012892.
2982109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (2982097) and next prime (2982121).
It can be written as a sum of positive squares in 2 ways, for example, as 994009 + 1988100 = 997^2 + 1410^2 .
It is a cyclic number.
It is not a de Polignac number, because 2982109 - 27 = 2981981 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a nialpdrome in base 12.
It is a zygodrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2982139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114684 + ... + 114709.
It is an arithmetic number, because the mean of its divisors is an integer number (802879).
22982109 is an apocalyptic number.
It is an amenable number.
2982109 is a deficient number, since it is larger than the sum of its proper divisors (229407).
2982109 is a wasteful number, since it uses less digits than its factorization.
2982109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229406.
The product of its (nonzero) digits is 2592, while the sum is 31.
The square root of 2982109 is about 1726.8783975718. The cubic root of 2982109 is about 143.9376820113.
The spelling of 2982109 in words is "two million, nine hundred eighty-two thousand, one hundred nine".
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