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242434439 = 1318648803
BaseRepresentation
bin11100111001101…
…00000110000111
3121220011221112022
432130310012013
5444030400224
640020113355
76002441642
oct1634640607
9556157468
10242434439
11114936645
126923585b
133b2c3c40
14242aaa59
151643c65e
hexe734187

242434439 has 4 divisors (see below), whose sum is σ = 261083256. Its totient is φ = 223785624.

The previous prime is 242434429. The next prime is 242434453. The reversal of 242434439 is 934434242.

242434439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242434439 - 28 = 242434183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242434399 and 242434408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242434429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9324389 + ... + 9324414.

It is an arithmetic number, because the mean of its divisors is an integer number (65270814).

Almost surely, 2242434439 is an apocalyptic number.

242434439 is a deficient number, since it is larger than the sum of its proper divisors (18648817).

242434439 is a wasteful number, since it uses less digits than its factorization.

242434439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18648816.

The product of its digits is 82944, while the sum is 35.

The square root of 242434439 is about 15570.3063232552. The cubic root of 242434439 is about 623.5406497404.

It can be divided in two parts, 24243 and 4439, that added together give a palindrome (28682).

The spelling of 242434439 in words is "two hundred forty-two million, four hundred thirty-four thousand, four hundred thirty-nine".

Divisors: 1 13 18648803 242434439