Search a number
-
+
1042440211 = 412727853
BaseRepresentation
bin111110001000100…
…110000000010011
32200122112110010201
4332020212000103
54113331041321
6251235040031
734555411201
oct7610460023
92618473121
101042440211
1149548083a
12251140017
13137c79637
149c638071
15617b6291
hex3e226013

1042440211 has 12 divisors (see below), whose sum is σ = 1071209776. Its totient is φ = 1014425280.

The previous prime is 1042440209. The next prime is 1042440227. The reversal of 1042440211 is 1120442401.

It is not a de Polignac number, because 1042440211 - 21 = 1042440209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042440281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1221661 + ... + 1222513.

Almost surely, 21042440211 is an apocalyptic number.

1042440211 is a deficient number, since it is larger than the sum of its proper divisors (28769565).

1042440211 is an frugal number, since it uses more digits than its factorization.

1042440211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1042440211 is about 32286.8426917220. The cubic root of 1042440211 is about 1013.9511959959.

Adding to 1042440211 its reverse (1120442401), we get a palindrome (2162882612).

The spelling of 1042440211 in words is "one billion, forty-two million, four hundred forty thousand, two hundred eleven".

Divisors: 1 41 727 853 1681 29807 34973 620131 1222087 1433893 25425371 1042440211