Search a number
-
+
143030133 = 3215892237
BaseRepresentation
bin10001000011001…
…11011101110101
3100222010200110100
420201213131311
5243103431013
622105344313
73354510321
oct1041473565
9328120410
10143030133
1173811724
123ba98099
132382b61c
1414dd2981
15c854473
hex8867775

143030133 has 6 divisors (see below), whose sum is σ = 206599094. Its totient is φ = 95353416.

The previous prime is 143030131. The next prime is 143030137. The reversal of 143030133 is 331030341.

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 56205009 = 9318^2 + 7497^2 .

It is not a de Polignac number, because 143030133 - 21 = 143030131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143030131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7946110 + ... + 7946127.

Almost surely, 2143030133 is an apocalyptic number.

It is an amenable number.

143030133 is a deficient number, since it is larger than the sum of its proper divisors (63568961).

143030133 is a wasteful number, since it uses less digits than its factorization.

143030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892243 (or 15892240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 143030133 is about 11959.5206007599. The cubic root of 143030133 is about 522.9688813991.

Adding to 143030133 its reverse (331030341), we get a palindrome (474060474).

The spelling of 143030133 in words is "one hundred forty-three million, thirty thousand, one hundred thirty-three".

Divisors: 1 3 9 15892237 47676711 143030133