Base | Representation |
---|---|
bin | 1000001100001… |
… | …01101011101100 |
3 | 11210021120112210 |
4 | 10012011223230 |
5 | 120042030004 |
6 | 10452330420 |
7 | 1462661064 |
oct | 406055354 |
9 | 153246483 |
10 | 68705004 |
11 | 358670a5 |
12 | 1b013a10 |
13 | 11307264 |
14 | 91a63a4 |
15 | 6072089 |
hex | 4185aec |
68705004 has 48 divisors (see below), whose sum is σ = 165541376. Its totient is φ = 22161600.
The previous prime is 68704997. The next prime is 68705009. The reversal of 68705004 is 40050786.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (68705009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120039 + ... + 120609.
Almost surely, 268705004 is an apocalyptic number.
It is an amenable number.
68705004 is an abundant number, since it is smaller than the sum of its proper divisors (96836372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68705004 is a wasteful number, since it uses less digits than its factorization.
68705004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 886 (or 884 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 68705004 is about 8288.8481708860. The cubic root of 68705004 is about 409.5712432382.
The spelling of 68705004 in words is "sixty-eight million, seven hundred five thousand, four".
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