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43430089 is a prime number
BaseRepresentation
bin1010010110101…
…1000011001001
310000201110212211
42211223003021
542104230324
64150505121
71035102223
oct245530311
9100643784
1043430089
112257373a
12126651a1
138cc7ba1
145aa7413
153c2d294
hex296b0c9

43430089 has 2 divisors, whose sum is σ = 43430090. Its totient is φ = 43430088.

The previous prime is 43430083. The next prime is 43430113. The reversal of 43430089 is 98003434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 17572864 = 5085^2 + 4192^2 .

It is a cyclic number.

It is not a de Polignac number, because 43430089 - 27 = 43429961 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43430089.

It is not a weakly prime, because it can be changed into another prime (43430083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21715044 + 21715045.

It is an arithmetic number, because the mean of its divisors is an integer number (21715045).

Almost surely, 243430089 is an apocalyptic number.

It is an amenable number.

43430089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43430089 is an equidigital number, since it uses as much as digits as its factorization.

43430089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 43430089 is about 6590.1509087425. The cubic root of 43430089 is about 351.5039743195.

The spelling of 43430089 in words is "forty-three million, four hundred thirty thousand, eighty-nine".