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11230211 = 16368897
BaseRepresentation
bin101010110101…
…110000000011
3210010112221202
4222311300003
510333331321
61040411415
7164312066
oct52656003
923115852
1011230211
116380473
123916b6b
1324327c5
1416c48dd
15ebc70b
hexab5c03

11230211 has 4 divisors (see below), whose sum is σ = 11299272. Its totient is φ = 11161152.

The previous prime is 11230201. The next prime is 11230213. The reversal of 11230211 is 11203211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11203211 = 46324197.

It is a cyclic number.

It is not a de Polignac number, because 11230211 - 210 = 11229187 is a prime.

It is a super-2 number, since 2×112302112 = 252235278209042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11230192 and 11230201.

It is not an unprimeable number, because it can be changed into a prime (11230213) 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 3 ways as a sum of consecutive naturals, for example, 34286 + ... + 34611.

It is an arithmetic number, because the mean of its divisors is an integer number (2824818).

Almost surely, 211230211 is an apocalyptic number.

11230211 is a deficient number, since it is larger than the sum of its proper divisors (69061).

11230211 is an equidigital number, since it uses as much as digits as its factorization.

11230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69060.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11230211 is about 3351.1506978947. The cubic root of 11230211 is about 223.9387787092.

Adding to 11230211 its reverse (11203211), we get a palindrome (22433422).

Subtracting from 11230211 its reverse (11203211), we obtain a cube (27000 = 303).

The spelling of 11230211 in words is "eleven million, two hundred thirty thousand, two hundred eleven".

Divisors: 1 163 68897 11230211