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30016969 is a prime number
BaseRepresentation
bin111001010000…
…0010111001001
32002111000112121
41302200113021
530141020334
62551211241
7513066013
oct162402711
962430477
1030016969
1115a42214
12a076b21
1362ac928
143db51b3
15297ddb4
hex1ca05c9

30016969 has 2 divisors, whose sum is σ = 30016970. Its totient is φ = 30016968.

The previous prime is 30016963. The next prime is 30016993. The reversal of 30016969 is 96961003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20793600 + 9223369 = 4560^2 + 3037^2 .

It is an emirp because it is prime and its reverse (96961003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30016969 - 217 = 29885897 is a prime.

It is a super-2 number, since 2×300169692 = 1802036855893922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30016963) 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, 15008484 + 15008485.

It is an arithmetic number, because the mean of its divisors is an integer number (15008485).

Almost surely, 230016969 is an apocalyptic number.

It is an amenable number.

30016969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30016969 is an equidigital number, since it uses as much as digits as its factorization.

30016969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 30016969 is about 5478.7744067446. The cubic root of 30016969 is about 310.7818246956.

The spelling of 30016969 in words is "thirty million, sixteen thousand, nine hundred sixty-nine".