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80494093 is a prime number
BaseRepresentation
bin1001100110000…
…11111000001101
312121110112010201
410303003320031
5131101302333
611553133501
71665121441
oct463037015
9177415121
1080494093
1141489449
1222b5a291
13138a4254
14a994821
15710017d
hex4cc3e0d

80494093 has 2 divisors, whose sum is σ = 80494094. Its totient is φ = 80494092.

The previous prime is 80494091. The next prime is 80494103. The reversal of 80494093 is 39049408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42029289 + 38464804 = 6483^2 + 6202^2 .

It is a cyclic number.

It is not a de Polignac number, because 80494093 - 21 = 80494091 is a prime.

Together with 80494091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80494091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40247046 + 40247047.

It is an arithmetic number, because the mean of its divisors is an integer number (40247047).

Almost surely, 280494093 is an apocalyptic number.

It is an amenable number.

80494093 is a deficient number, since it is larger than the sum of its proper divisors (1).

80494093 is an equidigital number, since it uses as much as digits as its factorization.

80494093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80494093 is about 8971.8500321840. The cubic root of 80494093 is about 431.7721939213.

The spelling of 80494093 in words is "eighty million, four hundred ninety-four thousand, ninety-three".