Search a number
-
+
30007297 is a prime number
BaseRepresentation
bin111001001111…
…0000000000001
32002110112021101
41302132000001
530140213142
62551054401
7513025555
oct162360001
962415241
1030007297
1115a35a21
12a071401
1362a83c8
143db1865
15297b0b7
hex1c9e001

30007297 has 2 divisors, whose sum is σ = 30007298. Its totient is φ = 30007296.

The previous prime is 30007283. The next prime is 30007319. The reversal of 30007297 is 79270003.

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., 26532801 + 3474496 = 5151^2 + 1864^2 .

It is an emirp because it is prime and its reverse (79270003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30007297 - 219 = 29483009 is a prime.

It is not a weakly prime, because it can be changed into another prime (30007207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15003648 + 15003649.

It is an arithmetic number, because the mean of its divisors is an integer number (15003649).

It is a Proth number, since it is equal to 3663 ⋅ 213 + 1 and 3663 < 213.

Almost surely, 230007297 is an apocalyptic number.

It is an amenable number.

30007297 is a deficient number, since it is larger than the sum of its proper divisors (1).

30007297 is an equidigital number, since it uses as much as digits as its factorization.

30007297 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 28.

The square root of 30007297 is about 5477.8916564678. The cubic root of 30007297 is about 310.7484413038.

The spelling of 30007297 in words is "thirty million, seven thousand, two hundred ninety-seven".