Base | Representation |
---|---|
bin | 1000000011110… |
… | …01111000010101 |
3 | 11201012211212011 |
4 | 10001321320111 |
5 | 114301424320 |
6 | 10413024221 |
7 | 1450442056 |
oct | 401717025 |
9 | 151184764 |
10 | 67608085 |
11 | 35187a56 |
12 | 1a785071 |
13 | 11011bac |
14 | 8d9c72d |
15 | 5e0705a |
hex | 4079e15 |
67608085 has 4 divisors (see below), whose sum is σ = 81129708. Its totient is φ = 54086464.
The previous prime is 67608059. The next prime is 67608119. The reversal of 67608085 is 58080676.
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 49238289 + 18369796 = 7017^2 + 4286^2 .
It is a cyclic number.
It is not a de Polignac number, because 67608085 - 25 = 67608053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6760804 + ... + 6760813.
It is an arithmetic number, because the mean of its divisors is an integer number (20282427).
Almost surely, 267608085 is an apocalyptic number.
It is an amenable number.
67608085 is a deficient number, since it is larger than the sum of its proper divisors (13521623).
67608085 is a wasteful number, since it uses less digits than its factorization.
67608085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13521622.
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 67608085 is about 8222.4135751007. The cubic root of 67608085 is about 407.3798509119.
The spelling of 67608085 in words is "sixty-seven million, six hundred eight thousand, eighty-five".
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