Base | Representation |
---|---|
bin | 11011111110101… |
… | …01010100001101 |
3 | 121100122022100211 |
4 | 31333111110031 |
5 | 440041044224 |
6 | 35142322421 |
7 | 5546653414 |
oct | 1577252415 |
9 | 540568324 |
10 | 234706189 |
11 | 110538263 |
12 | 66729411 |
13 | 39819403 |
14 | 2325847b |
15 | 15912894 |
hex | dfd550d |
234706189 has 4 divisors (see below), whose sum is σ = 238684320. Its totient is φ = 230728060.
The previous prime is 234706163. The next prime is 234706201. The reversal of 234706189 is 981607432.
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 234706189 - 213 = 234697997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234700189) 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, 1988977 + ... + 1989094.
It is an arithmetic number, because the mean of its divisors is an integer number (59671080).
Almost surely, 2234706189 is an apocalyptic number.
It is an amenable number.
234706189 is a deficient number, since it is larger than the sum of its proper divisors (3978131).
234706189 is an equidigital number, since it uses as much as digits as its factorization.
234706189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3978130.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 234706189 is about 15320.1236613808. The cubic root of 234706189 is about 616.8432933873.
The spelling of 234706189 in words is "two hundred thirty-four million, seven hundred six thousand, one hundred eighty-nine".
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