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30743717 is a prime number
BaseRepresentation
bin111010101000…
…1110010100101
32010211221110012
41311101302211
530332244332
63014540005
7522213554
oct165216245
963757405
1030743717
1116399234
12a367605
1364a5664
144123d9b
152a743b2
hex1d51ca5

30743717 has 2 divisors, whose sum is σ = 30743718. Its totient is φ = 30743716.

The previous prime is 30743711. The next prime is 30743737. The reversal of 30743717 is 71734703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18395521 + 12348196 = 4289^2 + 3514^2 .

It is a cyclic number.

It is not a de Polignac number, because 30743717 - 210 = 30742693 is a prime.

It is a super-2 number, since 2×307437172 = 1890352269952178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30743711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15371858 + 15371859.

It is an arithmetic number, because the mean of its divisors is an integer number (15371859).

Almost surely, 230743717 is an apocalyptic number.

It is an amenable number.

30743717 is a deficient number, since it is larger than the sum of its proper divisors (1).

30743717 is an equidigital number, since it uses as much as digits as its factorization.

30743717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 30743717 is about 5544.7017052318. The cubic root of 30743717 is about 313.2699885781.

The spelling of 30743717 in words is "thirty million, seven hundred forty-three thousand, seven hundred seventeen".