Base | Representation |
---|---|
bin | 1000001000110… |
… | …10001001110101 |
3 | 11202110012101020 |
4 | 10010122021311 |
5 | 114433431230 |
6 | 10435051353 |
7 | 1456145025 |
oct | 404321165 |
9 | 152405336 |
10 | 68264565 |
11 | 355961a6 |
12 | 1aa40b59 |
13 | 111b1945 |
14 | 90cda85 |
15 | 5ed6810 |
hex | 411a275 |
68264565 has 8 divisors (see below), whose sum is σ = 109223328. Its totient is φ = 36407760.
The previous prime is 68264561. The next prime is 68264591. The reversal of 68264565 is 56546286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68264565 - 22 = 68264561 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68264561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275471 + ... + 2275500.
It is an arithmetic number, because the mean of its divisors is an integer number (13652916).
Almost surely, 268264565 is an apocalyptic number.
It is an amenable number.
68264565 is a deficient number, since it is larger than the sum of its proper divisors (40958763).
68264565 is a wasteful number, since it uses less digits than its factorization.
68264565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4550979.
The product of its digits is 345600, while the sum is 42.
The square root of 68264565 is about 8262.2372878053. The cubic root of 68264565 is about 408.6941698195.
The spelling of 68264565 in words is "sixty-eight million, two hundred sixty-four thousand, five hundred sixty-five".
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