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80002889 is a prime number
BaseRepresentation
bin1001100010010…
…11111101001001
312120112120022222
410301023331021
5130440043024
611534423425
71661004401
oct461137511
9176476288
1080002889
114118339a
1222961b75
13137617b5
14a8a7801
15705485e
hex4c4bf49

80002889 has 2 divisors, whose sum is σ = 80002890. Its totient is φ = 80002888.

The previous prime is 80002873. The next prime is 80002927. The reversal of 80002889 is 98820008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79512889 + 490000 = 8917^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 80002889 - 24 = 80002873 is a prime.

It is not a weakly prime, because it can be changed into another prime (80002829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40001444 + 40001445.

It is an arithmetic number, because the mean of its divisors is an integer number (40001445).

Almost surely, 280002889 is an apocalyptic number.

It is an amenable number.

80002889 is a deficient number, since it is larger than the sum of its proper divisors (1).

80002889 is an equidigital number, since it uses as much as digits as its factorization.

80002889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 80002889 is about 8944.4334085508. The cubic root of 80002889 is about 430.8921247455.

The spelling of 80002889 in words is "eighty million, two thousand, eight hundred eighty-nine".