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2420333989 is a prime number
BaseRepresentation
bin1001000001000011…
…0101110110100101
320020200021201001121
42100100311312211
514424101141424
61040100053541
7113656333213
oct22020656645
96220251047
102420333989
111032240827
125766942b1
132c75880b8
1418d633cb3
15e2740ee4
hex90435da5

2420333989 has 2 divisors, whose sum is σ = 2420333990. Its totient is φ = 2420333988.

The previous prime is 2420333977. The next prime is 2420334023. The reversal of 2420333989 is 9893330242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1824144100 + 596189889 = 42710^2 + 24417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420333989 - 29 = 2420333477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420333189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210166994 + 1210166995.

It is an arithmetic number, because the mean of its divisors is an integer number (1210166995).

Almost surely, 22420333989 is an apocalyptic number.

It is an amenable number.

2420333989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420333989 is an equidigital number, since it uses as much as digits as its factorization.

2420333989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 2420333989 is about 49196.8900338223. The cubic root of 2420333989 is about 1342.6364498747.

The spelling of 2420333989 in words is "two billion, four hundred twenty million, three hundred thirty-three thousand, nine hundred eighty-nine".