Search a number
-
+
298297039 is a prime number
BaseRepresentation
bin10001110001111…
…010011011001111
3202210022001121111
4101301322123033
51102331001124
645333312451
710251324445
oct2161723317
9683261544
10298297039
11143420a87
1283a95727
1349a52931
142b88cb95
151b2c4494
hex11c7a6cf

298297039 has 2 divisors, whose sum is σ = 298297040. Its totient is φ = 298297038.

The previous prime is 298297037. The next prime is 298297081. The reversal of 298297039 is 930792892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298297039 - 21 = 298297037 is a prime.

It is a super-2 number, since 2×2982970392 = 177962246952335042, which contains 22 as substring.

Together with 298297037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 298296983 and 298297001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298297031) 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, 149148519 + 149148520.

It is an arithmetic number, because the mean of its divisors is an integer number (149148520).

Almost surely, 2298297039 is an apocalyptic number.

298297039 is a deficient number, since it is larger than the sum of its proper divisors (1).

298297039 is an equidigital number, since it uses as much as digits as its factorization.

298297039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 298297039 is about 17271.2778623934. The cubic root of 298297039 is about 668.1638588010.

The spelling of 298297039 in words is "two hundred ninety-eight million, two hundred ninety-seven thousand, thirty-nine".