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83942401 is a prime number
BaseRepresentation
bin1010000000011…
…01110000000001
312211221201022211
411000031300001
5132442124101
612155102121
72036333014
oct500156001
9184851284
1083942401
1143424194
1224141941
131451097a
14b21137b
157581c51
hex500dc01

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".