Base | Representation |
---|---|
bin | 1000001001111… |
… | …00010110010011 |
3 | 11202201022111201 |
4 | 10010330112103 |
5 | 120002422002 |
6 | 10442052031 |
7 | 1460300254 |
oct | 404742623 |
9 | 152638451 |
10 | 68404627 |
11 | 35681455 |
12 | 1aaaa017 |
13 | 11230615 |
14 | 9128b2b |
15 | 6013087 |
hex | 413c593 |
68404627 has 2 divisors, whose sum is σ = 68404628. Its totient is φ = 68404626.
The previous prime is 68404621. The next prime is 68404657. The reversal of 68404627 is 72640486.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68404627 - 215 = 68371859 is a prime.
It is not a weakly prime, because it can be changed into another prime (68404621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34202313 + 34202314.
It is an arithmetic number, because the mean of its divisors is an integer number (34202314).
Almost surely, 268404627 is an apocalyptic number.
68404627 is a deficient number, since it is larger than the sum of its proper divisors (1).
68404627 is an equidigital number, since it uses as much as digits as its factorization.
68404627 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64512, while the sum is 37.
The square root of 68404627 is about 8270.7089780744. The cubic root of 68404627 is about 408.9734919842.
The spelling of 68404627 in words is "sixty-eight million, four hundred four thousand, six hundred twenty-seven".
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