Search a number
-
+
299029631 is a prime number
BaseRepresentation
bin10001110100101…
…101010001111111
3202211200021112112
4101310231101333
51103022422011
645401124235
710260465335
oct2164552177
9684607475
10299029631
1114388142a
128418967b
1349c4b214
142b9ddb55
151b3bb58b
hex11d2d47f

299029631 has 2 divisors, whose sum is σ = 299029632. Its totient is φ = 299029630.

The previous prime is 299029613. The next prime is 299029663. The reversal of 299029631 is 136920992.

Together with previous prime (299029613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299029631 - 26 = 299029567 is a prime.

It is a super-2 number, since 2×2990296312 = 178837440431992322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299029691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149514815 + 149514816.

It is an arithmetic number, because the mean of its divisors is an integer number (149514816).

Almost surely, 2299029631 is an apocalyptic number.

299029631 is a deficient number, since it is larger than the sum of its proper divisors (1).

299029631 is an equidigital number, since it uses as much as digits as its factorization.

299029631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 299029631 is about 17292.4732470517. The cubic root of 299029631 is about 668.7103960475.

The spelling of 299029631 in words is "two hundred ninety-nine million, twenty-nine thousand, six hundred thirty-one".