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242393379 = 380797793
BaseRepresentation
bin11100111001010…
…10000100100011
3121220002212012120
432130222010203
5444023042004
640015155323
76002211144
oct1634520443
9556085176
10242393379
11114908808
1269215b43
133b2ab347
1424299acb
15164303d9
hexe72a123

242393379 has 4 divisors (see below), whose sum is σ = 323191176. Its totient is φ = 161595584.

The previous prime is 242393357. The next prime is 242393381. The reversal of 242393379 is 973393242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 242393379 - 219 = 241869091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242393379.

It is not an unprimeable number, because it can be changed into a prime (242393329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40398894 + ... + 40398899.

It is an arithmetic number, because the mean of its divisors is an integer number (80797794).

Almost surely, 2242393379 is an apocalyptic number.

242393379 is a deficient number, since it is larger than the sum of its proper divisors (80797797).

242393379 is an equidigital number, since it uses as much as digits as its factorization.

242393379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80797796.

The product of its digits is 244944, while the sum is 42.

The square root of 242393379 is about 15568.9877320268. The cubic root of 242393379 is about 623.5054456873.

The spelling of 242393379 in words is "two hundred forty-two million, three hundred ninety-three thousand, three hundred seventy-nine".

Divisors: 1 3 80797793 242393379