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299005249 = 401745649
BaseRepresentation
bin10001110100100…
…111010101000001
3202211122001002111
4101310213111001
51103021131444
645400415321
710260334264
oct2164472501
9684561074
10299005249
11143865084
1284177541
1349c400aa
142b9d4cdb
151b3b4234
hex11d27541

299005249 has 4 divisors (see below), whose sum is σ = 299751300. Its totient is φ = 298259200.

The previous prime is 299005243. The next prime is 299005279. The reversal of 299005249 is 942500992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207936400 + 91068849 = 14420^2 + 9543^2 .

It is a cyclic number.

It is not a de Polignac number, because 299005249 - 213 = 298997057 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299005243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372424 + ... + 373225.

It is an arithmetic number, because the mean of its divisors is an integer number (74937825).

Almost surely, 2299005249 is an apocalyptic number.

It is an amenable number.

299005249 is a deficient number, since it is larger than the sum of its proper divisors (746051).

299005249 is an equidigital number, since it uses as much as digits as its factorization.

299005249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746050.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 299005249 is about 17291.7682438784. The cubic root of 299005249 is about 668.6922206580.

The spelling of 299005249 in words is "two hundred ninety-nine million, five thousand, two hundred forty-nine".

Divisors: 1 401 745649 299005249