Base | Representation |
---|---|
bin | 10001010001001… |
… | …110010001110001 |
3 | 202012011200112220 |
4 | 101101032101301 |
5 | 1043132240401 |
6 | 44425511253 |
7 | 10115433612 |
oct | 2121162161 |
9 | 665150486 |
10 | 289727601 |
11 | 1395a86a9 |
12 | 81042529 |
13 | 48042267 |
14 | 2a69bc09 |
15 | 1a680336 |
hex | 1144e471 |
289727601 has 4 divisors (see below), whose sum is σ = 386303472. Its totient is φ = 193151732.
The previous prime is 289727597. The next prime is 289727609. The reversal of 289727601 is 106727982.
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 289727601 - 22 = 289727597 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (289727609) 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, 48287931 + ... + 48287936.
It is an arithmetic number, because the mean of its divisors is an integer number (96575868).
Almost surely, 2289727601 is an apocalyptic number.
It is an amenable number.
289727601 is a deficient number, since it is larger than the sum of its proper divisors (96575871).
289727601 is an equidigital number, since it uses as much as digits as its factorization.
289727601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96575870.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 289727601 is about 17021.3865768920. The cubic root of 289727601 is about 661.7032841508.
The spelling of 289727601 in words is "two hundred eighty-nine million, seven hundred twenty-seven thousand, six hundred one".
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