Base | Representation |
---|---|
bin | 1000111000010111… |
… | …1011110100011001 |
3 | 20011010202201000111 |
4 | 2032011323310121 |
5 | 14340240423114 |
6 | 1032315404321 |
7 | 113034663163 |
oct | 21605736431 |
9 | 6133681014 |
10 | 2383920409 |
11 | 101372a762 |
12 | 5664536a1 |
13 | 2bcb78ac0 |
14 | 188875933 |
15 | de44bbc4 |
hex | 8e17bd19 |
2383920409 has 4 divisors (see below), whose sum is σ = 2567298916. Its totient is φ = 2200541904.
The previous prime is 2383920377. The next prime is 2383920431. The reversal of 2383920409 is 9040293832.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 440874009 + 1943046400 = 20997^2 + 44080^2 .
It is a cyclic number.
It is not a de Polignac number, because 2383920409 - 25 = 2383920377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2383920449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91689234 + ... + 91689259.
It is an arithmetic number, because the mean of its divisors is an integer number (641824729).
Almost surely, 22383920409 is an apocalyptic number.
It is an amenable number.
2383920409 is a deficient number, since it is larger than the sum of its proper divisors (183378507).
2383920409 is a wasteful number, since it uses less digits than its factorization.
2383920409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183378506.
The product of its (nonzero) digits is 93312, while the sum is 40.
The square root of 2383920409 is about 48825.4074125347. The cubic root of 2383920409 is about 1335.8691397832.
The spelling of 2383920409 in words is "two billion, three hundred eighty-three million, nine hundred twenty thousand, four hundred nine".
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