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43019 is a prime number
BaseRepresentation
bin1010100000001011
32012000022
422200023
52334034
6531055
7236264
oct124013
965008
1043019
112a359
1220a8b
1316772
141196b
15cb2e
hexa80b

43019 has 2 divisors, whose sum is σ = 43020. Its totient is φ = 43018.

The previous prime is 43013. The next prime is 43037. The reversal of 43019 is 91034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43019 - 24 = 43003 is a prime.

It is a super-2 number, since 2×430192 = 3701268722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42988 and 43006.

It is not a weakly prime, because it can be changed into another prime (43013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21509 + 21510.

It is an arithmetic number, because the mean of its divisors is an integer number (21510).

243019 is an apocalyptic number.

43019 is a deficient number, since it is larger than the sum of its proper divisors (1).

43019 is an equidigital number, since it uses as much as digits as its factorization.

43019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 43019 is about 207.4102215418. The cubic root of 43019 is about 35.0391398877.

The spelling of 43019 in words is "forty-three thousand, nineteen".