Base | Representation |
---|---|
bin | 1001100010110… |
… | …11111101111101 |
3 | 12120122220022011 |
4 | 10301123331331 |
5 | 130444142402 |
6 | 11540051221 |
7 | 1661366536 |
oct | 461337575 |
9 | 176586264 |
10 | 80068477 |
11 | 412186a5 |
12 | 22993b11 |
13 | 137855c8 |
14 | a8c368d |
15 | 7068ed7 |
hex | 4c5bf7d |
80068477 has 2 divisors, whose sum is σ = 80068478. Its totient is φ = 80068476.
The previous prime is 80068463. The next prime is 80068501. The reversal of 80068477 is 77486008.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 76405081 + 3663396 = 8741^2 + 1914^2 .
It is a cyclic number.
It is not a de Polignac number, because 80068477 - 223 = 71679869 is a prime.
It is a super-2 number, since 2×800684772 = 12821922018199058, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80068447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40034238 + 40034239.
It is an arithmetic number, because the mean of its divisors is an integer number (40034239).
Almost surely, 280068477 is an apocalyptic number.
It is an amenable number.
80068477 is a deficient number, since it is larger than the sum of its proper divisors (1).
80068477 is an equidigital number, since it uses as much as digits as its factorization.
80068477 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 80068477 is about 8948.0990718700. The cubic root of 80068477 is about 431.0098439656.
The spelling of 80068477 in words is "eighty million, sixty-eight thousand, four hundred seventy-seven".
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