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8030989 is a prime number
BaseRepresentation
bin11110101000101100001101
3120010000110001
4132220230031
54023442424
6444044301
7125155651
oct36505415
916100401
108030989
11459588a
122833691
131882585
1410d0a61
15a89844
hex7a8b0d

8030989 has 2 divisors, whose sum is σ = 8030990. Its totient is φ = 8030988.

The previous prime is 8030969. The next prime is 8031007. The reversal of 8030989 is 9890308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4169764 + 3861225 = 2042^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 8030989 - 213 = 8022797 is a prime.

It is a Chen prime.

8030989 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8030929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015494 + 4015495.

It is an arithmetic number, because the mean of its divisors is an integer number (4015495).

Almost surely, 28030989 is an apocalyptic number.

It is an amenable number.

8030989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8030989 is an equidigital number, since it uses as much as digits as its factorization.

8030989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 8030989 is about 2833.8999629486. The cubic root of 8030989 is about 200.2579089386.

The spelling of 8030989 in words is "eight million, thirty thousand, nine hundred eighty-nine".