Base | Representation |
---|---|
bin | 1000001000011… |
… | …01000000101100 |
3 | 11202100110112102 |
4 | 10010031000230 |
5 | 114430220412 |
6 | 10433554232 |
7 | 1455532052 |
oct | 404150054 |
9 | 152313472 |
10 | 68210732 |
11 | 35559807 |
12 | 1aa15978 |
13 | 111932a5 |
14 | 90b81d2 |
15 | 5ec58c2 |
hex | 410d02c |
68210732 has 24 divisors (see below), whose sum is σ = 131888736. Its totient is φ = 30702848.
The previous prime is 68210731. The next prime is 68210759. The reversal of 68210732 is 23701286.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68210695 and 68210704.
It is not an unprimeable number, because it can be changed into a prime (68210731) 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, 20243 + ... + 23370.
It is an arithmetic number, because the mean of its divisors is an integer number (5495364).
Almost surely, 268210732 is an apocalyptic number.
It is an amenable number.
68210732 is a deficient number, since it is larger than the sum of its proper divisors (63678004).
68210732 is a wasteful number, since it uses less digits than its factorization.
68210732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43657 (or 43655 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 68210732 is about 8258.9788715071. The cubic root of 68210732 is about 408.5867103632.
The spelling of 68210732 in words is "sixty-eight million, two hundred ten thousand, seven hundred thirty-two".
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