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99992993 is a prime number
BaseRepresentation
bin1011111010111…
…00010110100001
320222011011121012
411331130112201
5201044233433
613531110305
72322632522
oct575342641
9228134535
1099992993
1151497241
12295a2395
1317940569
14d3cc849
158ba2848
hex5f5c5a1

99992993 has 2 divisors, whose sum is σ = 99992994. Its totient is φ = 99992992.

The previous prime is 99992947. The next prime is 99993001. The reversal of 99992993 is 39929999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72199009 + 27793984 = 8497^2 + 5272^2 .

It is an emirp because it is prime and its reverse (39929999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99992993 - 218 = 99730849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99992903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996496 + 49996497.

It is an arithmetic number, because the mean of its divisors is an integer number (49996497).

Almost surely, 299992993 is an apocalyptic number.

It is an amenable number.

99992993 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992993 is an equidigital number, since it uses as much as digits as its factorization.

99992993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3188646, while the sum is 59.

The square root of 99992993 is about 9999.6496438625. The cubic root of 99992993 is about 464.1480419037.

The spelling of 99992993 in words is "ninety-nine million, nine hundred ninety-two thousand, nine hundred ninety-three".