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30067073 is a prime number
BaseRepresentation
bin111001010110…
…0100110000001
32002120120021022
41302230212001
530144121243
62552235225
7513365051
oct162544601
962516238
1030067073
1115a76923
12a09bb15
1362c968a
143dc9561
15298db68
hex1cac981

30067073 has 2 divisors, whose sum is σ = 30067074. Its totient is φ = 30067072.

The previous prime is 30067069. The next prime is 30067091. The reversal of 30067073 is 37076003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19775809 + 10291264 = 4447^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 30067073 - 22 = 30067069 is a prime.

It is not a weakly prime, because it can be changed into another prime (30067043) 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, 15033536 + 15033537.

It is an arithmetic number, because the mean of its divisors is an integer number (15033537).

Almost surely, 230067073 is an apocalyptic number.

It is an amenable number.

30067073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30067073 is an equidigital number, since it uses as much as digits as its factorization.

30067073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 30067073 is about 5483.3450557119. The cubic root of 30067073 is about 310.9546464607.

The spelling of 30067073 in words is "thirty million, sixty-seven thousand, seventy-three".