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211113230 = 25431014861
BaseRepresentation
bin11001001010101…
…01010100001110
3112201020122220112
430211111110032
5413021110410
632540520022
75142301316
oct1445252416
9481218815
10211113230
11a9193549
125a850012
1334978793
1420076446
1513802105
hexc95550e

211113230 has 32 divisors (see below), whose sum is σ = 392771808. Its totient is φ = 81648000.

The previous prime is 211113167. The next prime is 211113263. The reversal of 211113230 is 32311112.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41000 + ... + 45860.

It is an arithmetic number, because the mean of its divisors is an integer number (12274119).

Almost surely, 2211113230 is an apocalyptic number.

211113230 is a deficient number, since it is larger than the sum of its proper divisors (181658578).

211113230 is a wasteful number, since it uses less digits than its factorization.

211113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 211113230 is about 14529.7360609200. The cubic root of 211113230 is about 595.4406546706.

Adding to 211113230 its reverse (32311112), we get a palindrome (243424342).

The spelling of 211113230 in words is "two hundred eleven million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 43 86 101 202 215 430 505 1010 4343 4861 8686 9722 21715 24305 43430 48610 209023 418046 490961 981922 1045115 2090230 2454805 4909610 21111323 42222646 105556615 211113230