Base | Representation |
---|---|
bin | 101001111110… |
… | …110011011001 |
3 | 202201010012222 |
4 | 221332303121 |
5 | 10304131040 |
6 | 1031513425 |
7 | 162353654 |
oct | 51766331 |
9 | 22633188 |
10 | 11005145 |
11 | 6237368 |
12 | 3828875 |
13 | 2384228 |
14 | 166689b |
15 | e75bb5 |
hex | a7ecd9 |
11005145 has 8 divisors (see below), whose sum is σ = 13245120. Its totient is φ = 8778160.
The previous prime is 11005091. The next prime is 11005151. The reversal of 11005145 is 54150011.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11005145 - 26 = 11005081 is a prime.
It is a super-2 number, since 2×110051452 = 242226432942050, which contains 22 as substring.
It is a plaindrome in base 14.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271 + ... + 4860.
It is an arithmetic number, because the mean of its divisors is an integer number (1655640).
Almost surely, 211005145 is an apocalyptic number.
It is an amenable number.
11005145 is a deficient number, since it is larger than the sum of its proper divisors (2239975).
11005145 is an equidigital number, since it uses as much as digits as its factorization.
11005145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6495.
The product of its (nonzero) digits is 100, while the sum is 17.
The square root of 11005145 is about 3317.4003376138. The cubic root of 11005145 is about 222.4326775238.
Adding to 11005145 its reverse (54150011), we get a palindrome (65155156).
The spelling of 11005145 in words is "eleven million, five thousand, one hundred forty-five".
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