Search a number
-
+
999989033 is a prime number
BaseRepresentation
bin111011100110101…
…001111100101001
32120200122201001212
4323212221330221
54021444122113
6243121122505
733531523631
oct7346517451
92520581055
10999989033
1147351661a
1223aa89435
1312c2351b4
1496b476c1
155cbcd0a8
hex3b9a9f29

999989033 has 2 divisors, whose sum is σ = 999989034. Its totient is φ = 999989032.

The previous prime is 999989017. The next prime is 999989069. The reversal of 999989033 is 330989999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 938319424 + 61669609 = 30632^2 + 7853^2 .

It is a cyclic number.

It is not a de Polignac number, because 999989033 - 24 = 999989017 is a prime.

It is a super-2 number, since 2×9999890332 = 1999956132240550178, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (999989083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499994516 + 499994517.

It is an arithmetic number, because the mean of its divisors is an integer number (499994517).

Almost surely, 2999989033 is an apocalyptic number.

It is an amenable number.

999989033 is a deficient number, since it is larger than the sum of its proper divisors (1).

999989033 is an equidigital number, since it uses as much as digits as its factorization.

999989033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4251528, while the sum is 59.

The square root of 999989033 is about 31622.6031977129. The cubic root of 999989033 is about 999.9963443200.

The spelling of 999989033 in words is "nine hundred ninety-nine million, nine hundred eighty-nine thousand, thirty-three".