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30067217 is a prime number
BaseRepresentation
bin111001010110…
…0101000010001
32002120120110122
41302230220101
530144122332
62552240025
7513365345
oct162545021
962516418
1030067217
1115a76a44
12a0a0015
1362c976b
143dc9625
15298dc12
hex1caca11

30067217 has 2 divisors, whose sum is σ = 30067218. Its totient is φ = 30067216.

The previous prime is 30067211. The next prime is 30067249. The reversal of 30067217 is 71276003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28206721 + 1860496 = 5311^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 30067217 - 224 = 13290001 is a prime.

It is not a weakly prime, because it can be changed into another prime (30067211) 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, 15033608 + 15033609.

It is an arithmetic number, because the mean of its divisors is an integer number (15033609).

Almost surely, 230067217 is an apocalyptic number.

It is an amenable number.

30067217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30067217 is an equidigital number, since it uses as much as digits as its factorization.

30067217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 30067217 is about 5483.3581863672. The cubic root of 30067217 is about 310.9551428774.

The spelling of 30067217 in words is "thirty million, sixty-seven thousand, two hundred seventeen".