Search a number
-
+
142434355 = 5719211273
BaseRepresentation
bin10000111110101…
…10000000110011
3100221000102012111
420133112000303
5242430344410
622044510151
73346446340
oct1037260063
9327012174
10142434355
1173445048
123b84b357
13236803ab
1414cb97c7
15c787b8a
hex87d6033

142434355 has 24 divisors (see below), whose sum is σ = 206178912. Its totient is φ = 92520576.

The previous prime is 142434323. The next prime is 142434389. The reversal of 142434355 is 553434241.

It is not a de Polignac number, because 142434355 - 25 = 142434323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6999 + ... + 18271.

It is an arithmetic number, because the mean of its divisors is an integer number (8590788).

Almost surely, 2142434355 is an apocalyptic number.

142434355 is a deficient number, since it is larger than the sum of its proper divisors (63744557).

142434355 is a wasteful number, since it uses less digits than its factorization.

142434355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323 (or 11304 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 142434355 is about 11934.5865031010. The cubic root of 142434355 is about 522.2417456527.

Adding to 142434355 its reverse (553434241), we get a palindrome (695868596).

The spelling of 142434355 in words is "one hundred forty-two million, four hundred thirty-four thousand, three hundred fifty-five".

Divisors: 1 5 7 19 35 95 133 361 665 1805 2527 11273 12635 56365 78911 214187 394555 1070935 1499309 4069553 7496545 20347765 28486871 142434355