Base | Representation |
---|---|
bin | 1000001011000… |
… | …00001001100101 |
3 | 11202222202122220 |
4 | 10011200021211 |
5 | 120022120034 |
6 | 10445142553 |
7 | 1461450633 |
oct | 405401145 |
9 | 152882586 |
10 | 68551269 |
11 | 35771646 |
12 | 1ab5aa59 |
13 | 112822a7 |
14 | 9166353 |
15 | 6041749 |
hex | 4160265 |
68551269 has 8 divisors (see below), whose sum is σ = 93872160. Its totient is φ = 44465616.
The previous prime is 68551267. The next prime is 68551279. The reversal of 68551269 is 96215586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68551269 - 21 = 68551267 is a prime.
It is a super-2 number, since 2×685512692 = 9398552963020722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 68551269.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68551267) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308679 + ... + 308900.
It is an arithmetic number, because the mean of its divisors is an integer number (11734020).
Almost surely, 268551269 is an apocalyptic number.
It is an amenable number.
68551269 is a deficient number, since it is larger than the sum of its proper divisors (25320891).
68551269 is a wasteful number, since it uses less digits than its factorization.
68551269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617619.
The product of its digits is 129600, while the sum is 42.
The square root of 68551269 is about 8279.5693728599. The cubic root of 68551269 is about 409.2655282058.
The spelling of 68551269 in words is "sixty-eight million, five hundred fifty-one thousand, two hundred sixty-nine".
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