Search a number
-
+
143434423 = 1117767029
BaseRepresentation
bin10001000110010…
…10001010110111
3100222220020001001
420203022022313
5243204400143
622122144131
73361113106
oct1043121267
9328806031
10143434423
1173a68450
1240052047
1323940652
141509a03d
15c8d414d
hex88ca2b7

143434423 has 8 divisors (see below), whose sum is σ = 165678480. Its totient is φ = 122724480.

The previous prime is 143434411. The next prime is 143434433. The reversal of 143434423 is 324434341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143434423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143434391 and 143434400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143434433) 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 7 ways as a sum of consecutive naturals, for example, 383328 + ... + 383701.

It is an arithmetic number, because the mean of its divisors is an integer number (20709810).

Almost surely, 2143434423 is an apocalyptic number.

143434423 is a deficient number, since it is larger than the sum of its proper divisors (22244057).

143434423 is a wasteful number, since it uses less digits than its factorization.

143434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767057.

The product of its digits is 13824, while the sum is 28.

The square root of 143434423 is about 11976.4111068383. The cubic root of 143434423 is about 523.4611603942.

Adding to 143434423 its reverse (324434341), we get a palindrome (467868764).

The spelling of 143434423 in words is "one hundred forty-three million, four hundred thirty-four thousand, four hundred twenty-three".

Divisors: 1 11 17 187 767029 8437319 13039493 143434423