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30492743 is a prime number
BaseRepresentation
bin111010001010…
…0100001000111
32010101012011212
41310110201013
530301231433
63005322035
7520120061
oct164244107
963335155
1030492743
1116237716
12a26631b
136418358
14409a731
152a24d48
hex1d14847

30492743 has 2 divisors, whose sum is σ = 30492744. Its totient is φ = 30492742.

The previous prime is 30492727. The next prime is 30492811. The reversal of 30492743 is 34729403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30492743 - 24 = 30492727 is a prime.

It is a Chen prime.

It is equal to p1886513 and since 30492743 and 1886513 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30492443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15246371 + 15246372.

It is an arithmetic number, because the mean of its divisors is an integer number (15246372).

Almost surely, 230492743 is an apocalyptic number.

30492743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30492743 is an equidigital number, since it uses as much as digits as its factorization.

30492743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 30492743 is about 5522.0234515982. The cubic root of 30492743 is about 312.4152064342.

The spelling of 30492743 in words is "thirty million, four hundred ninety-two thousand, seven hundred forty-three".