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211310230 = 2534916053
BaseRepresentation
bin11001001100001…
…01011010010110
3112201121200010211
430212011122112
5413043411410
632545040034
75144051545
oct1446053226
9481550124
10211310230
11a930855a
125a92601a
1334a17351
14200c815c
151384068a
hexc985696

211310230 has 16 divisors (see below), whose sum is σ = 380530224. Its totient is φ = 84485920.

The previous prime is 211310207. The next prime is 211310233. The reversal of 211310230 is 32013112.

It is a self number, because there is not a number n which added to its sum of digits gives 211310230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211310233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31884 + ... + 37936.

It is an arithmetic number, because the mean of its divisors is an integer number (23783139).

Almost surely, 2211310230 is an apocalyptic number.

211310230 is a deficient number, since it is larger than the sum of its proper divisors (169219994).

211310230 is a wasteful number, since it uses less digits than its factorization.

211310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 211310230 is about 14536.5136810722. The cubic root of 211310230 is about 595.6258086142.

Adding to 211310230 its reverse (32013112), we get a palindrome (243323342).

The spelling of 211310230 in words is "two hundred eleven million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 5 10 3491 6053 6982 12106 17455 30265 34910 60530 21131023 42262046 105655115 211310230