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80896349 is a prime number
BaseRepresentation
bin1001101001001…
…10000101011101
312122012221221002
410310212011131
5131202140344
612005520045
72001415262
oct464460535
9178187832
1080896349
1141733696
1223113025
13139b5381
14aa5b269
15717e44e
hex4d2615d

80896349 has 2 divisors, whose sum is σ = 80896350. Its totient is φ = 80896348.

The previous prime is 80896339. The next prime is 80896367. The reversal of 80896349 is 94369808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 6160324 = 8645^2 + 2482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80896349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80896339) 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, 40448174 + 40448175.

It is an arithmetic number, because the mean of its divisors is an integer number (40448175).

Almost surely, 280896349 is an apocalyptic number.

It is an amenable number.

80896349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80896349 is an equidigital number, since it uses as much as digits as its factorization.

80896349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 80896349 is about 8994.2397677625. The cubic root of 80896349 is about 432.4902360053.

The spelling of 80896349 in words is "eighty million, eight hundred ninety-six thousand, three hundred forty-nine".