Search a number
-
+
242143113 = 3459117581
BaseRepresentation
bin11100110111011…
…00111110001001
3121212122010220110
432123230332021
5443442034423
640005544533
76000116412
oct1633547611
9555563813
10242143113
11114757783
1269115149
133b221464
1424232809
15163d1193
hexe6ecf89

242143113 has 8 divisors (see below), whose sum is σ = 322946176. Its totient is φ = 161384400.

The previous prime is 242143091. The next prime is 242143123. The reversal of 242143113 is 311341242.

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

It is not a de Polignac number, because 242143113 - 25 = 242143081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242143113.

It is not an unprimeable number, because it can be changed into a prime (242143123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4983 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (40368272).

Almost surely, 2242143113 is an apocalyptic number.

It is an amenable number.

242143113 is a deficient number, since it is larger than the sum of its proper divisors (80803063).

242143113 is a wasteful number, since it uses less digits than its factorization.

242143113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22175.

The product of its digits is 576, while the sum is 21.

The square root of 242143113 is about 15560.9483322836. The cubic root of 242143113 is about 623.2907864300.

Adding to 242143113 its reverse (311341242), we get a palindrome (553484355).

The spelling of 242143113 in words is "two hundred forty-two million, one hundred forty-three thousand, one hundred thirteen".

Divisors: 1 3 4591 13773 17581 52743 80714371 242143113