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458242397 is a prime number
BaseRepresentation
bin11011010100000…
…011100101011101
31011221021010101122
4123110003211131
51414302224042
6113245420325
714232665444
oct3324034535
91157233348
10458242397
11215736328
1210956a6a5
1373c24562
1444c05d5b
152a36a7d2
hex1b50395d

458242397 has 2 divisors, whose sum is σ = 458242398. Its totient is φ = 458242396.

The previous prime is 458242333. The next prime is 458242441. The reversal of 458242397 is 793242854.

It is an a-pointer prime, because the next prime (458242441) can be obtained adding 458242397 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456719641 + 1522756 = 21371^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 458242397 - 26 = 458242333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (458542397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229121198 + 229121199.

It is an arithmetic number, because the mean of its divisors is an integer number (229121199).

Almost surely, 2458242397 is an apocalyptic number.

It is an amenable number.

458242397 is a deficient number, since it is larger than the sum of its proper divisors (1).

458242397 is an equidigital number, since it uses as much as digits as its factorization.

458242397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 458242397 is about 21406.5970439021. The cubic root of 458242397 is about 770.9598402923.

The spelling of 458242397 in words is "four hundred fifty-eight million, two hundred forty-two thousand, three hundred ninety-seven".