Search a number
-
+
242443141 = 10913116979
BaseRepresentation
bin11100111001101…
…10001110000101
3121220012101110121
432130312032011
5444031140031
640020221541
76002506213
oct1634661605
9556171417
10242443141
11114942136
126923a8b1
133b2c7ba5
14242adcb3
1516440011
hexe736385

242443141 has 8 divisors (see below), whose sum is σ = 246549600. Its totient is φ = 238371120.

The previous prime is 242443109. The next prime is 242443163. The reversal of 242443141 is 141344242.

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

It is a cyclic number.

It is not a de Polignac number, because 242443141 - 25 = 242443109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242443541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5790 + ... + 22768.

It is an arithmetic number, because the mean of its divisors is an integer number (30818700).

Almost surely, 2242443141 is an apocalyptic number.

It is an amenable number.

242443141 is a deficient number, since it is larger than the sum of its proper divisors (4106459).

242443141 is a wasteful number, since it uses less digits than its factorization.

242443141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17219.

The product of its digits is 3072, while the sum is 25.

The square root of 242443141 is about 15570.5857629056. The cubic root of 242443141 is about 623.5481101571.

Adding to 242443141 its reverse (141344242), we get a palindrome (383787383).

The spelling of 242443141 in words is "two hundred forty-two million, four hundred forty-three thousand, one hundred forty-one".

Divisors: 1 109 131 14279 16979 1850711 2224249 242443141