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30980363 is a prime number
BaseRepresentation
bin111011000101…
…1100100001011
32011021222001212
41312023210023
530412332423
63024003335
7524220521
oct166134413
964258055
1030980363
1116540007
12a46054b
13655929b
144186311
152abe578
hex1d8b90b

30980363 has 2 divisors, whose sum is σ = 30980364. Its totient is φ = 30980362.

The previous prime is 30980357. The next prime is 30980371. The reversal of 30980363 is 36308903.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30980363 - 210 = 30979339 is a prime.

It is a super-2 number, since 2×309803632 = 1919565783223538, which contains 22 as substring.

It is equal to p1914872 and since 30980363 and 1914872 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 (30980303) 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, 15490181 + 15490182.

It is an arithmetic number, because the mean of its divisors is an integer number (15490182).

Almost surely, 230980363 is an apocalyptic number.

30980363 is a deficient number, since it is larger than the sum of its proper divisors (1).

30980363 is an equidigital number, since it uses as much as digits as its factorization.

30980363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30980363 is about 5566.0006288178. Note that the first 3 decimals coincide. The cubic root of 30980363 is about 314.0717208071.

The spelling of 30980363 in words is "thirty million, nine hundred eighty thousand, three hundred sixty-three".