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2420330317 is a prime number
BaseRepresentation
bin1001000001000011…
…0100111101001101
320020200021112000121
42100100310331031
514424101032232
61040100024541
7113656316416
oct22020647515
96220245017
102420330317
111032238a99
12576692151
132c7586522
1418d63280d
15e273ed97
hex90434f4d

2420330317 has 2 divisors, whose sum is σ = 2420330318. Its totient is φ = 2420330316.

The previous prime is 2420330303. The next prime is 2420330357. The reversal of 2420330317 is 7130330242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2206556676 + 213773641 = 46974^2 + 14621^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420330317 - 211 = 2420328269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2420330291 and 2420330300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420330357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210165158 + 1210165159.

It is an arithmetic number, because the mean of its divisors is an integer number (1210165159).

Almost surely, 22420330317 is an apocalyptic number.

It is an amenable number.

2420330317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420330317 is an equidigital number, since it uses as much as digits as its factorization.

2420330317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 2420330317 is about 49196.8527143759. The cubic root of 2420330317 is about 1342.6357708826.

Adding to 2420330317 its reverse (7130330242), we get a palindrome (9550660559).

The spelling of 2420330317 in words is "two billion, four hundred twenty million, three hundred thirty thousand, three hundred seventeen".