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242319379 = 713412949
BaseRepresentation
bin11100111000110…
…00000000010011
3121212222002200211
432130120000103
5444013210004
640013424551
76001452331
oct1634300023
9555862624
10242319379
11114868155
126919b157
133b283763
142427ab51
1516418504
hexe718013

242319379 has 4 divisors (see below), whose sum is σ = 245732400. Its totient is φ = 238906360.

The previous prime is 242319373. The next prime is 242319383. The reversal of 242319379 is 973913242.

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 242319379 - 219 = 241795091 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242319373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706404 + ... + 1706545.

It is an arithmetic number, because the mean of its divisors is an integer number (61433100).

Almost surely, 2242319379 is an apocalyptic number.

242319379 is a deficient number, since it is larger than the sum of its proper divisors (3413021).

242319379 is an equidigital number, since it uses as much as digits as its factorization.

242319379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413020.

The product of its digits is 81648, while the sum is 40.

The square root of 242319379 is about 15566.6110313067. The cubic root of 242319379 is about 623.4419894723.

The spelling of 242319379 in words is "two hundred forty-two million, three hundred nineteen thousand, three hundred seventy-nine".

Divisors: 1 71 3412949 242319379