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2398296421 is a prime number
BaseRepresentation
bin1000111011110011…
…0001100101100101
320012010211002012101
42032330301211211
514402430441141
61033551452101
7113301116563
oct21674614545
96163732171
102398296421
111020859664
1256b227031
132c2b40411
1418a738a33
15e083b531
hex8ef31965

2398296421 has 2 divisors, whose sum is σ = 2398296422. Its totient is φ = 2398296420.

The previous prime is 2398296419. The next prime is 2398296443. The reversal of 2398296421 is 1246928932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2278152900 + 120143521 = 47730^2 + 10961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398296421 - 21 = 2398296419 is a prime.

It is a super-4 number, since 4×23982964214 (a number of 39 digits) contains 4444 as substring.

Together with 2398296419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2398296221) 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, 1199148210 + 1199148211.

It is an arithmetic number, because the mean of its divisors is an integer number (1199148211).

Almost surely, 22398296421 is an apocalyptic number.

It is an amenable number.

2398296421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398296421 is an equidigital number, since it uses as much as digits as its factorization.

2398296421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 2398296421 is about 48972.4046887632. The cubic root of 2398296421 is about 1338.5490385372.

The spelling of 2398296421 in words is "two billion, three hundred ninety-eight million, two hundred ninety-six thousand, four hundred twenty-one".