Search a number
-
+
143039105 = 5111728999
BaseRepresentation
bin10001000011010…
…01101010000001
3100222011010202122
420201221222001
5243104222410
622105454025
73354545426
oct1041515201
9328133678
10143039105
1173818440
123baa1315
1323832731
1414dd5d4d
15c856e55
hex8869a81

143039105 has 24 divisors (see below), whose sum is σ = 198936000. Its totient is φ = 97898240.

The previous prime is 143039101. The next prime is 143039111. The reversal of 143039105 is 501930341.

It is not a de Polignac number, because 143039105 - 22 = 143039101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143039101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11396 + ... + 20394.

It is an arithmetic number, because the mean of its divisors is an integer number (8289000).

Almost surely, 2143039105 is an apocalyptic number.

It is an amenable number.

143039105 is a deficient number, since it is larger than the sum of its proper divisors (55896895).

143039105 is a wasteful number, since it uses less digits than its factorization.

143039105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049 (or 9032 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 143039105 is about 11959.8956935251. The cubic root of 143039105 is about 522.9798161082.

Adding to 143039105 its reverse (501930341), we get a palindrome (644969446).

The spelling of 143039105 in words is "one hundred forty-three million, thirty-nine thousand, one hundred five".

Divisors: 1 5 11 17 55 85 187 289 935 1445 3179 8999 15895 44995 98989 152983 494945 764915 1682813 2600711 8414065 13003555 28607821 143039105