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83430043 is a prime number
BaseRepresentation
bin1001111100100…
…00101010011011
312210222200111121
410332100222123
5132324230133
612140110111
72032100164
oct476205233
9183880447
1083430043
1143104254
1223b35337
13143916b8
14b11a76b
1574d002d
hex4f90a9b

83430043 has 2 divisors, whose sum is σ = 83430044. Its totient is φ = 83430042.

The previous prime is 83430031. The next prime is 83430049. The reversal of 83430043 is 34003438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83430043 - 29 = 83429531 is a prime.

It is a super-4 number, since 4×834300434 (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (83430049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41715021 + 41715022.

It is an arithmetic number, because the mean of its divisors is an integer number (41715022).

Almost surely, 283430043 is an apocalyptic number.

83430043 is a deficient number, since it is larger than the sum of its proper divisors (1).

83430043 is an equidigital number, since it uses as much as digits as its factorization.

83430043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 83430043 is about 9134.0047624249. The cubic root of 83430043 is about 436.9591343983.

The spelling of 83430043 in words is "eighty-three million, four hundred thirty thousand, forty-three".