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30083969 is a prime number
BaseRepresentation
bin111001011000…
…0101110000001
32002121102110002
41302300232001
530200141334
62552445345
7513465236
oct162605601
962542402
1030083969
1115a88593
12a0a9855
136304286
143dd178d
152993b7e
hex1cb0b81

30083969 has 2 divisors, whose sum is σ = 30083970. Its totient is φ = 30083968.

The previous prime is 30083947. The next prime is 30084001. The reversal of 30083969 is 96938003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27952369 + 2131600 = 5287^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 30083969 - 224 = 13306753 is a prime.

It is a super-2 number, since 2×300839692 = 1810090381585922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30083939) 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, 15041984 + 15041985.

It is an arithmetic number, because the mean of its divisors is an integer number (15041985).

Almost surely, 230083969 is an apocalyptic number.

It is an amenable number.

30083969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30083969 is an equidigital number, since it uses as much as digits as its factorization.

30083969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30083969 is about 5484.8855047302. The cubic root of 30083969 is about 311.0128818808.

The spelling of 30083969 in words is "thirty million, eighty-three thousand, nine hundred sixty-nine".