Base | Representation |
---|---|
bin | 1000001011101… |
… | …11100011000000 |
3 | 11210011122010100 |
4 | 10011313203000 |
5 | 120033201404 |
6 | 10451202400 |
7 | 1462330221 |
oct | 405674300 |
9 | 153148110 |
10 | 68647104 |
11 | 35827649 |
12 | 1aba6400 |
13 | 112b6ab6 |
14 | 918d248 |
15 | 605ed39 |
hex | 41778c0 |
68647104 has 42 divisors (see below), whose sum is σ = 196766180. Its totient is φ = 22882176.
The previous prime is 68647097. The next prime is 68647109. The reversal of 68647104 is 40174686.
68647104 is a `hidden beast` number, since 6 + 8 + 647 + 1 + 0 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (68647109) 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 5 ways as a sum of consecutive naturals, for example, 59014 + ... + 60165.
Almost surely, 268647104 is an apocalyptic number.
68647104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
68647104 is an abundant number, since it is smaller than the sum of its proper divisors (128119076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68647104 is a wasteful number, since it uses less digits than its factorization.
68647104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119197 (or 119184 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 68647104 is about 8285.3547902308. The cubic root of 68647104 is about 409.4561577844.
The spelling of 68647104 in words is "sixty-eight million, six hundred forty-seven thousand, one hundred four".
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