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381027323 is a prime number
BaseRepresentation
bin10110101101100…
…000001111111011
3222112222012020002
4112231200033323
51240020333243
6101450423215
712304451555
oct2655401773
9875865202
10381027323
11186097516
12a7731b0b
1360c2a971
14388664d5
15236b6eb8
hex16b603fb

381027323 has 2 divisors, whose sum is σ = 381027324. Its totient is φ = 381027322.

The previous prime is 381027319. The next prime is 381027329. The reversal of 381027323 is 323720183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381027323 - 22 = 381027319 is a prime.

It is a super-4 number, since 4×3810273234 (a number of 35 digits) contains 4444 as substring.

It is equal to p20377550 and since 381027323 and 20377550 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (381027329) 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, 190513661 + 190513662.

It is an arithmetic number, because the mean of its divisors is an integer number (190513662).

Almost surely, 2381027323 is an apocalyptic number.

381027323 is a deficient number, since it is larger than the sum of its proper divisors (1).

381027323 is an equidigital number, since it uses as much as digits as its factorization.

381027323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 381027323 is about 19519.9211832425. The cubic root of 381027323 is about 724.9677816836.

The spelling of 381027323 in words is "three hundred eighty-one million, twenty-seven thousand, three hundred twenty-three".