Search a number
-
+
30060469 is a prime number
BaseRepresentation
bin111001010101…
…0111110110101
32002120020012201
41302222332311
530143413334
62552144501
7513336565
oct162527665
962506181
1030060469
1115a7196a
12a098131
1362c667a
143dc6da5
15298bc14
hex1caafb5

30060469 has 2 divisors, whose sum is σ = 30060470. Its totient is φ = 30060468.

The previous prime is 30060467. The next prime is 30060509. The reversal of 30060469 is 96406003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25704900 + 4355569 = 5070^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 30060469 - 21 = 30060467 is a prime.

It is a super-2 number, since 2×300604692 = 1807263592999922, which contains 22 as substring.

Together with 30060467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30060463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15030234 + 15030235.

It is an arithmetic number, because the mean of its divisors is an integer number (15030235).

Almost surely, 230060469 is an apocalyptic number.

It is an amenable number.

30060469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30060469 is an equidigital number, since it uses as much as digits as its factorization.

30060469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30060469 is about 5482.7428354793. The cubic root of 30060469 is about 310.9318785327.

The spelling of 30060469 in words is "thirty million, sixty thousand, four hundred sixty-nine".