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30627073 is a prime number
BaseRepresentation
bin111010011010…
…1010100000001
32010122000110001
41310311110001
530320031243
63012240001
7521216521
oct164652401
963560401
1030627073
1116319634
12a310001
136464539
1440d3681
152a4ea4d
hex1d35501

30627073 has 2 divisors, whose sum is σ = 30627074. Its totient is φ = 30627072.

The previous prime is 30627061. The next prime is 30627097. The reversal of 30627073 is 37072603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 4739329 = 5088^2 + 2177^2 .

It is an emirp because it is prime and its reverse (37072603) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30627073 is a prime.

It is not a weakly prime, because it can be changed into another prime (30627173) 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, 15313536 + 15313537.

It is an arithmetic number, because the mean of its divisors is an integer number (15313537).

Almost surely, 230627073 is an apocalyptic number.

It is an amenable number.

30627073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30627073 is an equidigital number, since it uses as much as digits as its factorization.

30627073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 30627073 is about 5534.1731993135. The cubic root of 30627073 is about 312.8732964084.

Adding to 30627073 its reverse (37072603), we get a palindrome (67699676).

The spelling of 30627073 in words is "thirty million, six hundred twenty-seven thousand, seventy-three".