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80770453 is a prime number
BaseRepresentation
bin1001101000001…
…11010110010101
312121222120020021
410310013112111
5131134123303
612003105141
72000352241
oct464072625
9177876207
1080770453
1141658045
12230721b1
131396cc8a
14aa27421
157156ebd
hex4d07595

80770453 has 2 divisors, whose sum is σ = 80770454. Its totient is φ = 80770452.

The previous prime is 80770447. The next prime is 80770471. The reversal of 80770453 is 35407708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53333809 + 27436644 = 7303^2 + 5238^2 .

It is a cyclic number.

It is not a de Polignac number, because 80770453 - 25 = 80770421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80776453) 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, 40385226 + 40385227.

It is an arithmetic number, because the mean of its divisors is an integer number (40385227).

Almost surely, 280770453 is an apocalyptic number.

It is an amenable number.

80770453 is a deficient number, since it is larger than the sum of its proper divisors (1).

80770453 is an equidigital number, since it uses as much as digits as its factorization.

80770453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 80770453 is about 8987.2383411146. The cubic root of 80770453 is about 432.2657633255.

The spelling of 80770453 in words is "eighty million, seven hundred seventy thousand, four hundred fifty-three".