Base | Representation |
---|---|
bin | 1000000111100… |
… | …00111001100101 |
3 | 11202010121120212 |
4 | 10003300321211 |
5 | 114413024324 |
6 | 10431305205 |
7 | 1454542262 |
oct | 403607145 |
9 | 152117525 |
10 | 68095589 |
11 | 35490251 |
12 | 1a97b205 |
13 | 11152a63 |
14 | 9088269 |
15 | 5ea170e |
hex | 40f0e65 |
68095589 has 4 divisors (see below), whose sum is σ = 68141100. Its totient is φ = 68050080.
The previous prime is 68095583. The next prime is 68095597. The reversal of 68095589 is 98559086.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 40742689 + 27352900 = 6383^2 + 5230^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68095589 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68095583) 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, 20432 + ... + 23529.
It is an arithmetic number, because the mean of its divisors is an integer number (17035275).
Almost surely, 268095589 is an apocalyptic number.
It is an amenable number.
68095589 is a deficient number, since it is larger than the sum of its proper divisors (45511).
68095589 is a wasteful number, since it uses less digits than its factorization.
68095589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45510.
The product of its (nonzero) digits is 777600, while the sum is 50.
The square root of 68095589 is about 8252.0051502650. The cubic root of 68095589 is about 408.3566761981.
It can be divided in two parts, 680 and 95589, that added together give a palindrome (96269).
The spelling of 68095589 in words is "sixty-eight million, ninety-five thousand, five hundred eighty-nine".
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