Base | Representation |
---|---|
bin | 1010000000011… |
… | …01110000000001 |
3 | 12211221201022211 |
4 | 11000031300001 |
5 | 132442124101 |
6 | 12155102121 |
7 | 2036333014 |
oct | 500156001 |
9 | 184851284 |
10 | 83942401 |
11 | 43424194 |
12 | 24141941 |
13 | 1451097a |
14 | b21137b |
15 | 7581c51 |
hex | 500dc01 |
83942401 has 2 divisors, whose sum is σ = 83942402. Its totient is φ = 83942400.
The previous prime is 83942359. The next prime is 83942429. The reversal of 83942401 is 10424938.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47279376 + 36663025 = 6876^2 + 6055^2 .
It is a cyclic number.
It is not a de Polignac number, because 83942401 - 29 = 83941889 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (83942461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41971200 + 41971201.
It is an arithmetic number, because the mean of its divisors is an integer number (41971201).
Almost surely, 283942401 is an apocalyptic number.
It is an amenable number.
83942401 is a deficient number, since it is larger than the sum of its proper divisors (1).
83942401 is an equidigital number, since it uses as much as digits as its factorization.
83942401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 83942401 is about 9162.0085679942. The cubic root of 83942401 is about 437.8517895434.
The spelling of 83942401 in words is "eighty-three million, nine hundred forty-two thousand, four hundred one".
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