Search a number
-
+
143331412 = 2277370123
BaseRepresentation
bin10001000101100…
…01000001010100
3100222200222201211
420202301001110
5243143101122
622120031204
73360203560
oct1042610124
9328628654
10143331412
11739a8014
1240002504
13239057b3
14150706a0
15c8b3877
hex88b1054

143331412 has 24 divisors (see below), whose sum is σ = 290593856. Its totient is φ = 60585408.

The previous prime is 143331389. The next prime is 143331431. The reversal of 143331412 is 214133341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33018 + ... + 37105.

Almost surely, 2143331412 is an apocalyptic number.

It is an amenable number.

143331412 is an abundant number, since it is smaller than the sum of its proper divisors (147262444).

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

143331412 is a wasteful number, since it uses less digits than its factorization.

143331412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70207 (or 70205 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 143331412 is about 11972.1097555945. The cubic root of 143331412 is about 523.3358181643.

Adding to 143331412 its reverse (214133341), we get a palindrome (357464753).

The spelling of 143331412 in words is "one hundred forty-three million, three hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 70123 140246 280492 490861 981722 1963444 5118979 10237958 20475916 35832853 71665706 143331412