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80314909 is a prime number
BaseRepresentation
bin1001100100110…
…00001000011101
312121010102100021
410302120020131
5131030034114
611545232141
71663444153
oct462301035
9177112307
1080314909
1141376864
1222a92651
131384081c
14a9493d3
1570b7024
hex4c9821d

80314909 has 2 divisors, whose sum is σ = 80314910. Its totient is φ = 80314908.

The previous prime is 80314903. The next prime is 80314931. The reversal of 80314909 is 90941308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 29192409 = 7150^2 + 5403^2 .

It is a cyclic number.

It is not a de Polignac number, because 80314909 - 25 = 80314877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80314903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40157454 + 40157455.

It is an arithmetic number, because the mean of its divisors is an integer number (40157455).

Almost surely, 280314909 is an apocalyptic number.

It is an amenable number.

80314909 is a deficient number, since it is larger than the sum of its proper divisors (1).

80314909 is an equidigital number, since it uses as much as digits as its factorization.

80314909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 80314909 is about 8961.8585683997. The cubic root of 80314909 is about 431.4515735113.

The spelling of 80314909 in words is "eighty million, three hundred fourteen thousand, nine hundred nine".