Base | Representation |
---|---|
bin | 1000001001100… |
… | …11111111100100 |
3 | 11202122120120012 |
4 | 10010303333210 |
5 | 120000323104 |
6 | 10441225352 |
7 | 1460065424 |
oct | 404637744 |
9 | 152576505 |
10 | 68370404 |
11 | 35658773 |
12 | 1aa92258 |
13 | 1121ab7b |
14 | 911a484 |
15 | 6007d6e |
hex | 4133fe4 |
68370404 has 6 divisors (see below), whose sum is σ = 119648214. Its totient is φ = 34185200.
The previous prime is 68370389. The next prime is 68370427. The reversal of 68370404 is 40407386.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 51984100 + 16386304 = 7210^2 + 4048^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8546297 + ... + 8546304.
It is an arithmetic number, because the mean of its divisors is an integer number (19941369).
Almost surely, 268370404 is an apocalyptic number.
It is an amenable number.
68370404 is a deficient number, since it is larger than the sum of its proper divisors (51277810).
68370404 is a wasteful number, since it uses less digits than its factorization.
68370404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17092605 (or 17092603 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 68370404 is about 8268.6397914046. The cubic root of 68370404 is about 408.9052771319.
The spelling of 68370404 in words is "sixty-eight million, three hundred seventy thousand, four hundred four".
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