Base | Representation |
---|---|
bin | 101101000001… |
… | …010111010111 |
3 | 211012121101202 |
4 | 231001113113 |
5 | 11010131241 |
6 | 1100543115 |
7 | 202213241 |
oct | 55012727 |
9 | 24177352 |
10 | 11802071 |
11 | 6731086 |
12 | 3b51a9b |
13 | 25a2b98 |
14 | 17d3091 |
15 | 1081d9b |
hex | b415d7 |
11802071 has 4 divisors (see below), whose sum is σ = 11809512. Its totient is φ = 11794632.
The previous prime is 11802067. The next prime is 11802079. The reversal of 11802071 is 17020811.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17020811 = 107 ⋅159073.
It is a cyclic number.
It is not a de Polignac number, because 11802071 - 22 = 11802067 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11802079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 4866.
It is an arithmetic number, because the mean of its divisors is an integer number (2952378).
Almost surely, 211802071 is an apocalyptic number.
11802071 is a deficient number, since it is larger than the sum of its proper divisors (7441).
11802071 is an equidigital number, since it uses as much as digits as its factorization.
11802071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7440.
The product of its (nonzero) digits is 112, while the sum is 20.
The square root of 11802071 is about 3435.4142399425. The cubic root of 11802071 is about 227.6771296932.
Adding to 11802071 its reverse (17020811), we get a palindrome (28822882).
The spelling of 11802071 in words is "eleven million, eight hundred two thousand, seventy-one".
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