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234523889 = 325172139
BaseRepresentation
bin11011111101010…
…00110011110001
3121100022001021222
431332220303301
5440014231024
635134354425
75545264055
oct1576506361
9540261258
10234523889
111104232a6
126665ba15
1339784442
142320bc65
15158c885e
hexdfa8cf1

234523889 has 4 divisors (see below), whose sum is σ = 234599280. Its totient is φ = 234448500.

The previous prime is 234523873. The next prime is 234523901. The reversal of 234523889 is 988325432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234523889 - 24 = 234523873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234523819) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 32819 + ... + 39320.

It is an arithmetic number, because the mean of its divisors is an integer number (58649820).

Almost surely, 2234523889 is an apocalyptic number.

It is an amenable number.

234523889 is a deficient number, since it is larger than the sum of its proper divisors (75391).

234523889 is an equidigital number, since it uses as much as digits as its factorization.

234523889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75390.

The product of its digits is 414720, while the sum is 44.

The square root of 234523889 is about 15314.1728147491. The cubic root of 234523889 is about 616.6835480485.

The spelling of 234523889 in words is "two hundred thirty-four million, five hundred twenty-three thousand, eight hundred eighty-nine".

Divisors: 1 3251 72139 234523889