Search a number
-
+
231100422 = 23716333757
BaseRepresentation
bin11011100011001…
…01000000000110
3121002212010011220
431301211000012
5433130203142
634533141210
75504215110
oct1561450006
9532763156
10231100422
111094a5193
126548a806
1338b56117
142299a3b0
151544e2ec
hexdc65006

231100422 has 32 divisors (see below), whose sum is σ = 531485952. Its totient is φ = 65621664.

The previous prime is 231100417. The next prime is 231100433. The reversal of 231100422 is 224001132.

231100422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10033 + ... + 23724.

It is an arithmetic number, because the mean of its divisors is an integer number (16608936).

Almost surely, 2231100422 is an apocalyptic number.

231100422 is an abundant number, since it is smaller than the sum of its proper divisors (300385530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231100422 is a wasteful number, since it uses less digits than its factorization.

231100422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33932.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 231100422 is about 15201.9874358585. The cubic root of 231100422 is about 613.6681442954.

Adding to 231100422 its reverse (224001132), we get a palindrome (455101554).

The spelling of 231100422 in words is "two hundred thirty-one million, one hundred thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 163 326 489 978 1141 2282 3423 6846 33757 67514 101271 202542 236299 472598 708897 1417794 5502391 11004782 16507173 33014346 38516737 77033474 115550211 231100422