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242143134 = 2340357189
BaseRepresentation
bin11100110111011…
…00111110011110
3121212122010221020
432123230332132
5443442040014
640005545010
76000116442
oct1633547636
9555563836
10242143134
111147577a2
1269115166
133b22147c
1424232822
15163d11a9
hexe6ecf9e

242143134 has 8 divisors (see below), whose sum is σ = 484286280. Its totient is φ = 80714376.

The previous prime is 242143123. The next prime is 242143199. The reversal of 242143134 is 431341242.

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

242143134 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 20178589 + ... + 20178600.

It is an arithmetic number, because the mean of its divisors is an integer number (60535785).

Almost surely, 2242143134 is an apocalyptic number.

242143134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242143134 is a wasteful number, since it uses less digits than its factorization.

242143134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40357194.

The product of its digits is 2304, while the sum is 24.

The square root of 242143134 is about 15560.9490070497. The cubic root of 242143134 is about 623.2908044484.

Adding to 242143134 its reverse (431341242), we get a palindrome (673484376).

The spelling of 242143134 in words is "two hundred forty-two million, one hundred forty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 40357189 80714378 121071567 242143134