Base | Representation |
---|---|
bin | 1000001011011… |
… | …11101000001001 |
3 | 11210002222121220 |
4 | 10011233220021 |
5 | 120031132130 |
6 | 10450352253 |
7 | 1462133520 |
oct | 405575011 |
9 | 153088556 |
10 | 68614665 |
11 | 35805239 |
12 | 1ab8b689 |
13 | 112a50c2 |
14 | 91814b7 |
15 | 6055410 |
hex | 416fa09 |
68614665 has 16 divisors (see below), whose sum is σ = 125467008. Its totient is φ = 31366656.
The previous prime is 68614621. The next prime is 68614697. The reversal of 68614665 is 56641686.
It is not a de Polignac number, because 68614665 - 28 = 68614409 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326632 + ... + 326841.
It is an arithmetic number, because the mean of its divisors is an integer number (7841688).
Almost surely, 268614665 is an apocalyptic number.
It is an amenable number.
68614665 is a deficient number, since it is larger than the sum of its proper divisors (56852343).
68614665 is a wasteful number, since it uses less digits than its factorization.
68614665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 653488.
The product of its digits is 207360, while the sum is 42.
The square root of 68614665 is about 8283.3969481125. The cubic root of 68614665 is about 409.3916518293.
It can be divided in two parts, 686 and 14665, that added together give a palindrome (15351).
The spelling of 68614665 in words is "sixty-eight million, six hundred fourteen thousand, six hundred sixty-five".
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