Base | Representation |
---|---|
bin | 1000100100011… |
… | …01011010100001 |
3 | 12000021000010011 |
4 | 10102031122201 |
5 | 121400214101 |
6 | 11044404521 |
7 | 1531663453 |
oct | 422153241 |
9 | 160230104 |
10 | 71882401 |
11 | 37637348 |
12 | 200a6741 |
13 | 11b7a586 |
14 | 97922d3 |
15 | 649d751 |
hex | 448d6a1 |
71882401 has 2 divisors, whose sum is σ = 71882402. Its totient is φ = 71882400.
The previous prime is 71882353. The next prime is 71882423. The reversal of 71882401 is 10428817.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 57744801 + 14137600 = 7599^2 + 3760^2 .
It is a cyclic number.
It is not a de Polignac number, because 71882401 - 221 = 69785249 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (71882441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35941200 + 35941201.
It is an arithmetic number, because the mean of its divisors is an integer number (35941201).
Almost surely, 271882401 is an apocalyptic number.
It is an amenable number.
71882401 is a deficient number, since it is larger than the sum of its proper divisors (1).
71882401 is an equidigital number, since it uses as much as digits as its factorization.
71882401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 71882401 is about 8478.3489548378. The cubic root of 71882401 is about 415.7901450946.
The spelling of 71882401 in words is "seventy-one million, eight hundred eighty-two thousand, four hundred one".
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