Base | Representation |
---|---|
bin | 101010110000… |
… | …000111111001 |
3 | 210002101100001 |
4 | 222300013321 |
5 | 10332112121 |
6 | 1040113001 |
7 | 164154640 |
oct | 52600771 |
9 | 23071301 |
10 | 11207161 |
11 | 6365119 |
12 | 3905761 |
13 | 2425174 |
14 | 16ba357 |
15 | eb5991 |
hex | ab01f9 |
11207161 has 4 divisors (see below), whose sum is σ = 12808192. Its totient is φ = 9606132.
The previous prime is 11207159. The next prime is 11207237. The reversal of 11207161 is 16170211.
11207161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 11207161 - 21 = 11207159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11207101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800505 + ... + 800518.
It is an arithmetic number, because the mean of its divisors is an integer number (3202048).
Almost surely, 211207161 is an apocalyptic number.
It is an amenable number.
11207161 is a deficient number, since it is larger than the sum of its proper divisors (1601031).
11207161 is an equidigital number, since it uses as much as digits as its factorization.
11207161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601030.
The product of its (nonzero) digits is 84, while the sum is 19.
The square root of 11207161 is about 3347.7098141864. The cubic root of 11207161 is about 223.7854623734.
Adding to 11207161 its reverse (16170211), we get a palindrome (27377372).
It can be divided in two parts, 1120 and 7161, that added together give a square (8281 = 912).
The spelling of 11207161 in words is "eleven million, two hundred seven thousand, one hundred sixty-one".
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