Base | Representation |
---|---|
bin | 101010110001… |
… | …110101000001 |
3 | 210002201220201 |
4 | 222301311001 |
5 | 10332323040 |
6 | 1040205201 |
7 | 164214205 |
oct | 52616501 |
9 | 23081821 |
10 | 11214145 |
11 | 636a398 |
12 | 3909801 |
13 | 24283b7 |
14 | 16bcb05 |
15 | eb7a9a |
hex | ab1d41 |
11214145 has 8 divisors (see below), whose sum is σ = 13820904. Its totient is φ = 8728704.
The previous prime is 11214143. The next prime is 11214173. The reversal of 11214145 is 54141211.
It can be written as a sum of positive squares in 4 ways, for example, as 929296 + 10284849 = 964^2 + 3207^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11214145 - 21 = 11214143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11214143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30124 + ... + 30493.
It is an arithmetic number, because the mean of its divisors is an integer number (1727613).
Almost surely, 211214145 is an apocalyptic number.
It is an amenable number.
11214145 is a deficient number, since it is larger than the sum of its proper divisors (2606759).
11214145 is an equidigital number, since it uses as much as digits as its factorization.
11214145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60659.
The product of its digits is 160, while the sum is 19.
The square root of 11214145 is about 3348.7527528917. The cubic root of 11214145 is about 223.8319384055.
Adding to 11214145 its reverse (54141211), we get a palindrome (65355356).
The spelling of 11214145 in words is "eleven million, two hundred fourteen thousand, one hundred forty-five".
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