Base | Representation |
---|---|
bin | 101101011111… |
… | …000101111111 |
3 | 211102210102200 |
4 | 231133011333 |
5 | 11023030324 |
6 | 1103322543 |
7 | 203231244 |
oct | 55370577 |
9 | 24383380 |
10 | 11923839 |
11 | 6804614 |
12 | 3bb0453 |
13 | 2616435 |
14 | 18255cb |
15 | 10a7ec9 |
hex | b5f17f |
11923839 has 6 divisors (see below), whose sum is σ = 17223336. Its totient is φ = 7949220.
The previous prime is 11923831. The next prime is 11923861. The reversal of 11923839 is 93832911.
11923839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 11923839 - 23 = 11923831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11923831) 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 5 ways as a sum of consecutive naturals, for example, 662427 + ... + 662444.
It is an arithmetic number, because the mean of its divisors is an integer number (2870556).
Almost surely, 211923839 is an apocalyptic number.
11923839 is a deficient number, since it is larger than the sum of its proper divisors (5299497).
11923839 is a wasteful number, since it uses less digits than its factorization.
11923839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1324877 (or 1324874 counting only the distinct ones).
The product of its digits is 11664, while the sum is 36.
The square root of 11923839 is about 3453.0912238167. The cubic root of 11923839 is about 228.4574725299.
The spelling of 11923839 in words is "eleven million, nine hundred twenty-three thousand, eight hundred thirty-nine".
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