Search a number
-
+
211440104 = 23231149131
BaseRepresentation
bin11001001101001…
…01000111101000
3112201212021021222
430212211013220
5413112040404
632551521212
75145132311
oct1446450750
9481767258
10211440104
11a9397097
125a989208
1334a614b5
142011d608
1513868dbe
hexc9a51e8

211440104 has 16 divisors (see below), whose sum is σ = 413687520. Its totient is φ = 101123440.

The previous prime is 211440079. The next prime is 211440109. The reversal of 211440104 is 401044112.

It is not an unprimeable number, because it can be changed into a prime (211440109) 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 3 ways as a sum of consecutive naturals, for example, 574382 + ... + 574749.

It is an arithmetic number, because the mean of its divisors is an integer number (25855470).

Almost surely, 2211440104 is an apocalyptic number.

It is an amenable number.

211440104 is a deficient number, since it is larger than the sum of its proper divisors (202247416).

211440104 is a wasteful number, since it uses less digits than its factorization.

211440104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149160 (or 1149156 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 211440104 is about 14540.9801595353. The cubic root of 211440104 is about 595.7478100645.

Adding to 211440104 its reverse (401044112), we get a palindrome (612484216).

The spelling of 211440104 in words is "two hundred eleven million, four hundred forty thousand, one hundred four".

Divisors: 1 2 4 8 23 46 92 184 1149131 2298262 4596524 9193048 26430013 52860026 105720052 211440104