Base | Representation |
---|---|
bin | 101011011111… |
… | …100010101001 |
3 | 210110020202112 |
4 | 223133202221 |
5 | 10404321020 |
6 | 1044212105 |
7 | 165624122 |
oct | 53374251 |
9 | 23406675 |
10 | 11401385 |
11 | 6488036 |
12 | 399a035 |
13 | 24926a8 |
14 | 172b049 |
15 | 10032c5 |
hex | adf8a9 |
11401385 has 16 divisors (see below), whose sum is σ = 14012352. Its totient is φ = 8904000.
The previous prime is 11401381. The next prime is 11401391. The reversal of 11401385 is 58310411.
11401385 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 11401385 - 22 = 11401381 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11401385.
It is not an unprimeable number, because it can be changed into a prime (11401381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53930 + ... + 54140.
It is an arithmetic number, because the mean of its divisors is an integer number (875772).
Almost surely, 211401385 is an apocalyptic number.
It is an amenable number.
11401385 is a deficient number, since it is larger than the sum of its proper divisors (2610967).
11401385 is a wasteful number, since it uses less digits than its factorization.
11401385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 424.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 11401385 is about 3376.5936977966. The cubic root of 11401385 is about 225.0708254399.
Adding to 11401385 its reverse (58310411), we get a palindrome (69711796).
The spelling of 11401385 in words is "eleven million, four hundred one thousand, three hundred eighty-five".
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