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234435442 = 2117217721
BaseRepresentation
bin11011111100100…
…11001101110010
3121100010112222011
431332103031302
5440003413232
635132433134
75544445153
oct1576231562
9540115864
10234435442
111103728aa
12666187aa
13397530c7
14231c792a
15158ac547
hexdf93372

234435442 has 4 divisors (see below), whose sum is σ = 351653166. Its totient is φ = 117217720.

The previous prime is 234435431. The next prime is 234435451. The reversal of 234435442 is 244534432.

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

It can be written as a sum of positive squares in only one way, i.e., 187936681 + 46498761 = 13709^2 + 6819^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 58608859 + ... + 58608862.

Almost surely, 2234435442 is an apocalyptic number.

234435442 is a deficient number, since it is larger than the sum of its proper divisors (117217724).

234435442 is a wasteful number, since it uses less digits than its factorization.

234435442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117217723.

The product of its digits is 46080, while the sum is 31.

The square root of 234435442 is about 15311.2847925966. The cubic root of 234435442 is about 616.6060141305.

Adding to 234435442 its reverse (244534432), we get a palindrome (478969874).

The spelling of 234435442 in words is "two hundred thirty-four million, four hundred thirty-five thousand, four hundred forty-two".

Divisors: 1 2 117217721 234435442