Search a number
-
+
211233230 = 25134139631
BaseRepresentation
bin11001001011100…
…10100111001110
3112201110202111222
430211302213032
5413033430410
632543243342
75143311215
oct1445624716
9481422458
10211233230
11a926571a
125a8a9552
13349bb2a0
14200a807c
1513827955
hexc9729ce

211233230 has 32 divisors (see below), whose sum is σ = 419465088. Its totient is φ = 76089600.

The previous prime is 211233227. The next prime is 211233251. The reversal of 211233230 is 32332112.

It is a junction number, because it is equal to n+sod(n) for n = 211233199 and 211233208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14486 + ... + 25145.

It is an arithmetic number, because the mean of its divisors is an integer number (13108284).

Almost surely, 2211233230 is an apocalyptic number.

211233230 is a deficient number, since it is larger than the sum of its proper divisors (208231858).

211233230 is a wasteful number, since it uses less digits than its factorization.

211233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39692.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 211233230 is about 14533.8649367606. The cubic root of 211233230 is about 595.5534525035.

Adding to 211233230 its reverse (32332112), we get a palindrome (243565342).

The spelling of 211233230 in words is "two hundred eleven million, two hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 41 65 82 130 205 410 533 1066 2665 5330 39631 79262 198155 396310 515203 1030406 1624871 2576015 3249742 5152030 8124355 16248710 21123323 42246646 105616615 211233230