Search a number
-
+
242082109 = 694734847
BaseRepresentation
bin11100110110111…
…10000100111101
3121212112001020001
432123132010331
5443433111414
640004354301
75666443513
oct1633360475
9555461201
10242082109
11114715965
12690a5991
133b1cc769
14242184b3
15163bd074
hexe6de13d

242082109 has 4 divisors (see below), whose sum is σ = 242123904. Its totient is φ = 242040316.

The previous prime is 242082103. The next prime is 242082161. The reversal of 242082109 is 901280242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242082109 - 27 = 242081981 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 (242082103) 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 3 ways as a sum of consecutive naturals, for example, 10477 + ... + 24370.

It is an arithmetic number, because the mean of its divisors is an integer number (60530976).

Almost surely, 2242082109 is an apocalyptic number.

It is an amenable number.

242082109 is a deficient number, since it is larger than the sum of its proper divisors (41795).

242082109 is an equidigital number, since it uses as much as digits as its factorization.

242082109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41794.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 242082109 is about 15558.9880454996. The cubic root of 242082109 is about 623.2384393913.

The spelling of 242082109 in words is "two hundred forty-two million, eighty-two thousand, one hundred nine".

Divisors: 1 6947 34847 242082109