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242214131 = 335972109
BaseRepresentation
bin11100110111111…
…10010011110011
3121212202202022202
432123332103303
5444001323011
640011253415
76000533435
oct1633762363
9555682282
10242214131
111147a6075
126914a26b
133b247893
1424250655
15163e723b
hexe6fe4f3

242214131 has 4 divisors (see below), whose sum is σ = 242289600. Its totient is φ = 242138664.

The previous prime is 242214121. The next prime is 242214151. The reversal of 242214131 is 131412242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242214131 is a prime.

It is a super-2 number, since 2×2422141312 = 117335370512170322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242214121) by changing a digit.

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, 32696 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (60572400).

Almost surely, 2242214131 is an apocalyptic number.

242214131 is a deficient number, since it is larger than the sum of its proper divisors (75469).

242214131 is an equidigital number, since it uses as much as digits as its factorization.

242214131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75468.

The product of its digits is 384, while the sum is 20.

The square root of 242214131 is about 15563.2300953240. The cubic root of 242214131 is about 623.3517153269.

Adding to 242214131 its reverse (131412242), we get a palindrome (373626373).

The spelling of 242214131 in words is "two hundred forty-two million, two hundred fourteen thousand, one hundred thirty-one".

Divisors: 1 3359 72109 242214131