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2030442217 is a prime number
BaseRepresentation
bin111100100000110…
…0001011011101001
312020111122011002121
41321001201123221
513124243122332
6533251231241
7101213321416
oct17101413351
95214564077
102030442217
1195214a321
12487ba8521
132648756cb
1415394110d
15bd3c7797
hex790616e9

2030442217 has 2 divisors, whose sum is σ = 2030442218. Its totient is φ = 2030442216.

The previous prime is 2030442191. The next prime is 2030442257. The reversal of 2030442217 is 7122440302.

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., 1485639936 + 544802281 = 38544^2 + 23341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2030442217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2030442191 and 2030442200.

It is not a weakly prime, because it can be changed into another prime (2030442257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015221108 + 1015221109.

It is an arithmetic number, because the mean of its divisors is an integer number (1015221109).

Almost surely, 22030442217 is an apocalyptic number.

It is an amenable number.

2030442217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030442217 is an equidigital number, since it uses as much as digits as its factorization.

2030442217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2030442217 is about 45060.4285043984. The cubic root of 2030442217 is about 1266.2813529383.

Adding to 2030442217 its reverse (7122440302), we get a palindrome (9152882519).

The spelling of 2030442217 in words is "two billion, thirty million, four hundred forty-two thousand, two hundred seventeen".