Search a number
-
+
234142142 = 21337243391
BaseRepresentation
bin11011111010010…
…11100110111110
3121022120122122012
431331023212332
5434420022032
635122251222
75542114103
oct1575134676
9538518565
10234142142
11110192503
12664b6b12
133967c760
142314caaa
15158506b2
hexdf4b9be

234142142 has 16 divisors (see below), whose sum is σ = 388453632. Its totient is φ = 105144480.

The previous prime is 234142133. The next prime is 234142151. The reversal of 234142142 is 241241432.

It is an interprime number because it is at equal distance from previous prime (234142133) and next prime (234142151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120734 + ... + 122657.

It is an arithmetic number, because the mean of its divisors is an integer number (24278352).

Almost surely, 2234142142 is an apocalyptic number.

234142142 is a deficient number, since it is larger than the sum of its proper divisors (154311490).

234142142 is a wasteful number, since it uses less digits than its factorization.

234142142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243443.

The product of its digits is 1536, while the sum is 23.

The square root of 234142142 is about 15301.7038920507. The cubic root of 234142142 is about 616.3487634704.

Adding to 234142142 its reverse (241241432), we get a palindrome (475383574).

The spelling of 234142142 in words is "two hundred thirty-four million, one hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 13 26 37 74 481 962 243391 486782 3164083 6328166 9005467 18010934 117071071 234142142