Search a number
-
+
211103229 = 3172243487
BaseRepresentation
bin11001001010100…
…10110111111101
3112201020011012010
430211102313331
5413020300404
632540401433
75142230211
oct1445226775
9481204163
10211103229
11a9186a87
125a846279
133497406c
1420072941
15137ee189
hexc952dfd

211103229 has 12 divisors (see below), whose sum is σ = 299003264. Its totient is φ = 132456384.

The previous prime is 211103201. The next prime is 211103237. The reversal of 211103229 is 922301112.

It is a de Polignac number, because none of the positive numbers 2k-211103229 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 (211103329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120877 + ... + 122610.

Almost surely, 2211103229 is an apocalyptic number.

It is an amenable number.

211103229 is a deficient number, since it is larger than the sum of its proper divisors (87900035).

211103229 is a wasteful number, since it uses less digits than its factorization.

211103229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243524 (or 243507 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 211103229 is about 14529.3919005580. The cubic root of 211103229 is about 595.4312519818.

The spelling of 211103229 in words is "two hundred eleven million, one hundred three thousand, two hundred twenty-nine".

Divisors: 1 3 17 51 289 867 243487 730461 4139279 12417837 70367743 211103229