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234438849 = 3226048761
BaseRepresentation
bin11011111100101…
…00000011000001
3121100010201122100
431332110003001
5440004020344
635132501013
75544461121
oct1576240301
9540121570
10234438849
11110375417
126661a769
1339754818
14231c8c81
15158ad569
hexdf940c1

234438849 has 6 divisors (see below), whose sum is σ = 338633906. Its totient is φ = 156292560.

The previous prime is 234438821. The next prime is 234438851. The reversal of 234438849 is 948834432.

It can be written as a sum of positive squares in only one way, i.e., 162103824 + 72335025 = 12732^2 + 8505^2 .

It is not a de Polignac number, because 234438849 - 25 = 234438817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234438859) 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 5 ways as a sum of consecutive naturals, for example, 13024372 + ... + 13024389.

Almost surely, 2234438849 is an apocalyptic number.

It is an amenable number.

234438849 is a deficient number, since it is larger than the sum of its proper divisors (104195057).

234438849 is a wasteful number, since it uses less digits than its factorization.

234438849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26048767 (or 26048764 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 234438849 is about 15311.3960500014. The cubic root of 234438849 is about 616.6090011170.

The spelling of 234438849 in words is "two hundred thirty-four million, four hundred thirty-eight thousand, eight hundred forty-nine".

Divisors: 1 3 9 26048761 78146283 234438849