Search a number
-
+
142234333 = 832917077
BaseRepresentation
bin10000111101001…
…01001011011101
3100220122020211021
420132211023131
5242402444313
622040324141
73344654233
oct1036451335
9326566737
10142234333
117331883a
123b773651
1323610337
1414c66953
15c74878d
hex87a52dd

142234333 has 4 divisors (see below), whose sum is σ = 142259740. Its totient is φ = 142208928.

The previous prime is 142234321. The next prime is 142234373. The reversal of 142234333 is 333432241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333432241 = 477094303.

It can be written as a sum of positive squares in 2 ways, for example, as 37417689 + 104816644 = 6117^2 + 10238^2 .

It is a cyclic number.

It is not a de Polignac number, because 142234333 - 221 = 140137181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142234298 and 142234307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210 + ... + 16867.

It is an arithmetic number, because the mean of its divisors is an integer number (35564935).

Almost surely, 2142234333 is an apocalyptic number.

It is an amenable number.

142234333 is a deficient number, since it is larger than the sum of its proper divisors (25407).

142234333 is an equidigital number, since it uses as much as digits as its factorization.

142234333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25406.

The product of its digits is 5184, while the sum is 25.

The square root of 142234333 is about 11926.2036289844. The cubic root of 142234333 is about 521.9971680141.

Adding to 142234333 its reverse (333432241), we get a palindrome (475666574).

The spelling of 142234333 in words is "one hundred forty-two million, two hundred thirty-four thousand, three hundred thirty-three".

Divisors: 1 8329 17077 142234333