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468421397 is a prime number
BaseRepresentation
bin11011111010111…
…000101100010101
31012122102021100122
4123322320230111
51424403441042
6114251521325
714415342023
oct3372705425
91178367318
10468421397
11220458a24
12110a59245
1376079732
14462d5713
152b1cb7d2
hex1beb8b15

468421397 has 2 divisors, whose sum is σ = 468421398. Its totient is φ = 468421396.

The previous prime is 468421361. The next prime is 468421399. The reversal of 468421397 is 793124864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331203601 + 137217796 = 18199^2 + 11714^2 .

It is a cyclic number.

It is not a de Polignac number, because 468421397 - 28 = 468421141 is a prime.

Together with 468421399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468421399) 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, 234210698 + 234210699.

It is an arithmetic number, because the mean of its divisors is an integer number (234210699).

Almost surely, 2468421397 is an apocalyptic number.

It is an amenable number.

468421397 is a deficient number, since it is larger than the sum of its proper divisors (1).

468421397 is an equidigital number, since it uses as much as digits as its factorization.

468421397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 468421397 is about 21643.0450029565. The cubic root of 468421397 is about 776.6265647805.

The spelling of 468421397 in words is "four hundred sixty-eight million, four hundred twenty-one thousand, three hundred ninety-seven".