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30380711 is a prime number
BaseRepresentation
bin111001111100…
…1001010100111
32010011111111112
41303321022213
530234140321
63003055235
7516142334
oct163711247
963144445
1030380711
1116170529
12a21151b
1363a936a
14406b98b
152a01a5b
hex1cf92a7

30380711 has 2 divisors, whose sum is σ = 30380712. Its totient is φ = 30380710.

The previous prime is 30380689. The next prime is 30380729. The reversal of 30380711 is 11708303.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11708303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30380711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30380731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15190355 + 15190356.

It is an arithmetic number, because the mean of its divisors is an integer number (15190356).

Almost surely, 230380711 is an apocalyptic number.

30380711 is a deficient number, since it is larger than the sum of its proper divisors (1).

30380711 is an equidigital number, since it uses as much as digits as its factorization.

30380711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 30380711 is about 5511.8700093525. The cubic root of 30380711 is about 312.0321267323.

The spelling of 30380711 in words is "thirty million, three hundred eighty thousand, seven hundred eleven".